{"id":"https://openalex.org/W7208727185","doi":"https://doi.org/10.48550/arxiv.2609.03795","title":"Exciton multipolarity controls coherent and squeezed phonons in van der Waals heterostructures","display_name":"Exciton multipolarity controls coherent and squeezed phonons in van der Waals heterostructures","publication_year":2026,"publication_date":"2026-09-03","ids":{"openalex":"https://openalex.org/W7208727185","doi":"https://doi.org/10.48550/arxiv.2609.03795"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:2609.03795","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.03795","pdf_url":"https://arxiv.org/pdf/2609.03795","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","is_traditional":true,"indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/2609.03795","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5076486915","display_name":"Indrajit Maity","orcid":"https://orcid.org/0000-0003-0547-7572","observed_orcids":["https://orcid.org/0000-0003-0547-7572"]},"institutions":[{"id":"https://openalex.org/I84884186","display_name":"Newcastle University","ror":"https://ror.org/01kj2bm70","country_code":"GB","type":"education","lineage":["https://openalex.org/I84884186"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Maity, Indrajit","raw_affiliation_strings":["Department of Chemistry , School of Natural and Environmental Sciences , Newcastle University , Newcastle upon Tyne , NE1 7RU , UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Chemistry , School of Natural and Environmental Sciences , Newcastle University , Newcastle upon Tyne , NE1 7RU , UK","institution_ids":["https://openalex.org/I84884186"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5026919665","display_name":"Arash A. Mostofi","orcid":"https://orcid.org/0000-0002-6883-8278","observed_orcids":["https://orcid.org/0000-0002-6883-8278"]},"institutions":[{"id":"https://openalex.org/I330495657","display_name":"Thomas Young Centre","ror":"https://ror.org/03hdrgy42","country_code":"GB","type":"other","lineage":["https://openalex.org/I330495657"]},{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Mostofi, Arash A.","raw_affiliation_strings":["Departments of Materials and Physics and the Thomas Young Centre for Theory and Simulation of Materials , Imperial College London , South Kensington Campus , London , SW7 2AZ , UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departments of Materials and Physics and the Thomas Young Centre for Theory and Simulation of Materials , Imperial College London , South Kensington Campus , London , SW7 2AZ , UK","institution_ids":["https://openalex.org/I330495657","https://openalex.org/I47508984"]}]},{"author_position":"middle","author":{"id":"https://openalex.org/A5023725582","display_name":"Johannes Lischner","orcid":"https://orcid.org/0000-0002-9601-7821","observed_orcids":["https://orcid.org/0000-0002-9601-7821"]},"institutions":[{"id":"https://openalex.org/I330495657","display_name":"Thomas Young Centre","ror":"https://ror.org/03hdrgy42","country_code":"GB","type":"other","lineage":["https://openalex.org/I330495657"]},{"id":"https://openalex.org/I47508984","display_name":"Imperial College London","ror":"https://ror.org/041kmwe10","country_code":"GB","type":"education","lineage":["https://openalex.org/I47508984"]}],"countries":["GB"],"is_corresponding":false,"raw_author_name":"Lischner, Johannes","raw_affiliation_strings":["Departments of Materials and Physics and the Thomas Young Centre for Theory and Simulation of Materials , Imperial College London , South Kensington Campus , London , SW7 2AZ , UK"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Departments of Materials and Physics and the Thomas Young Centre for Theory and Simulation of Materials , Imperial College London , South Kensington Campus , London , SW7 2AZ , UK","institution_ids":["https://openalex.org/I330495657","https://openalex.org/I47508984"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5080861685","display_name":"\u00c1ngel Rubio","orcid":"https://orcid.org/0000-0003-2060-3151","observed_orcids":["https://orcid.org/0000-0003-2060-3151","https://orcid.org/0009-0006-6611-7035"]},"institutions":[{"id":"https://openalex.org/I4210107338","display_name":"Simons Foundation","ror":"https://ror.org/01cmst727","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I4210107338"]},{"id":"https://openalex.org/I4210149784","display_name":"Max Planck Institute for the Structure and Dynamics of Matter","ror":"https://ror.org/0411b0f77","country_code":"DE","type":"facility","lineage":["https://openalex.org/I149899117","https://openalex.org/I4210149784"]},{"id":"https://openalex.org/I4387153999","display_name":"Flatiron Institute","ror":"https://ror.org/00sekdz59","country_code":"US","type":"nonprofit","lineage":["https://openalex.org/I4210107338","https://openalex.org/I4387153999"]}],"countries":["DE","US"],"is_corresponding":false,"raw_author_name":"Rubio, \u00c1ngel","raw_affiliation_strings":["Initiative for Computational Catalysis and Center for Computational Quantum Physics , Flatiron Institute , Simons Foundation , New York City , New York 10010 , USA","Max Planck Institute for the Structure and Dynamics of Matter , Luruper Chaussee 149 , 22761 Hamburg , Germany"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Initiative for Computational Catalysis and Center for Computational Quantum Physics , Flatiron Institute , Simons Foundation , New York City , New York 10010 , USA","institution_ids":["https://openalex.org/I4210107338","https://openalex.org/I4387153999"]},{"raw_affiliation_string":"Max Planck Institute for the Structure and Dynamics of Matter , Luruper Chaussee 149 , 22761 Hamburg , Germany","institution_ids":["https://openalex.org/I4210149784"]}]}],"institutions":[],"countries_distinct_count":3,"institutions_distinct_count":6,"corresponding_author_ids":[],"corresponding_institution_ids":[],"apc_list":null,"apc_paid":null,"fwci":null,"has_fulltext":true,"cited_by_count":0,"citation_normalized_percentile":null,"cited_by_percentile_year":null,"biblio":{"volume":null,"issue":null,"first_page":null,"last_page":null},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T10275","display_name":"2D Materials and Applications","score":0.9883000254631042,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},"topics":[{"id":"https://openalex.org/T10275","display_name":"2D Materials and Applications","score":0.9883000254631042,"subfield":{"id":"https://openalex.org/subfields/2505","display_name":"Materials Chemistry"},"field":{"id":"https://openalex.org/fields/25","display_name":"Materials Science"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10566","display_name":"Laser-Matter Interactions and Applications","score":0.002400000113993883,"subfield":{"id":"https://openalex.org/subfields/3107","display_name":"Atomic and Molecular Physics, and Optics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}},{"id":"https://openalex.org/T10657","display_name":"Topological Materials and Phenomena","score":0.0019000000320374966,"subfield":{"id":"https://openalex.org/subfields/3104","display_name":"Condensed Matter Physics"},"field":{"id":"https://openalex.org/fields/31","display_name":"Physics and Astronomy"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/coherent-phonons","display_name":"coherent phonons","score":0.9990000128746033},{"id":"https://openalex.org/keywords/van-der-waals-heterostructures","display_name":"van der Waals heterostructures","score":0.9679999947547913},{"id":"https://openalex.org/keywords/dipolar-excitons","display_name":"dipolar excitons","score":0.925000011920929},{"id":"https://openalex.org/keywords/ultrafast-lattice-dynamics","display_name":"ultrafast lattice dynamics","score":0.656000018119812},{"id":"https://openalex.org/keywords/2d-materials","display_name":"two-dimensional materials","score":0.6100000143051147}],"concepts":[{"id":"https://openalex.org/C24169881","wikidata":"https://www.wikidata.org/wiki/Q186608","display_name":"Phonon","level":2,"score":0.7584999799728394},{"id":"https://openalex.org/C17729963","wikidata":"https://www.wikidata.org/wiki/Q858289","display_name":"Exciton","level":2,"score":0.7287999987602234},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.6728000044822693},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.6323999762535095},{"id":"https://openalex.org/C178596936","wikidata":"https://www.wikidata.org/wiki/Q844471","display_name":"Ultrashort pulse","level":3,"score":0.49720001220703125},{"id":"https://openalex.org/C55005982","wikidata":"https://www.wikidata.org/wiki/Q3902709","display_name":"Picosecond","level":3,"score":0.4542999863624573},{"id":"https://openalex.org/C2776234943","wikidata":"https://www.wikidata.org/wiki/Q18356231","display_name":"Ultrafast electron diffraction","level":4,"score":0.4293999969959259},{"id":"https://openalex.org/C78594624","wikidata":"https://www.wikidata.org/wiki/Q906781","display_name":"Coherent control","level":3,"score":0.4269999861717224},{"id":"https://openalex.org/C173523689","wikidata":"https://www.wikidata.org/wiki/Q215589","display_name":"Dipole","level":2,"score":0.40639999508857727},{"id":"https://openalex.org/C165330911","wikidata":"https://www.wikidata.org/wiki/Q1976324","display_name":"Biexciton","level":3,"score":0.374099999666214},{"id":"https://openalex.org/C152026323","wikidata":"https://www.wikidata.org/wiki/Q1032070","display_name":"Coherent states","level":3,"score":0.3734999895095825},{"id":"https://openalex.org/C147120987","wikidata":"https://www.wikidata.org/wiki/Q2225","display_name":"Electron","level":2,"score":0.3330000042915344},{"id":"https://openalex.org/C85080765","wikidata":"https://www.wikidata.org/wiki/Q614893","display_name":"Photoluminescence","level":2,"score":0.3237000107765198},{"id":"https://openalex.org/C194269254","wikidata":"https://www.wikidata.org/wiki/Q661063","display_name":"Squeezed coherent state","level":4,"score":0.3095000088214874},{"id":"https://openalex.org/C49023278","wikidata":"https://www.wikidata.org/wiki/Q5260650","display_name":"Dephasing","level":2,"score":0.30000001192092896},{"id":"https://openalex.org/C79794668","wikidata":"https://www.wikidata.org/wiki/Q1616270","display_name":"Heterojunction","level":2,"score":0.2897999882698059},{"id":"https://openalex.org/C68717125","wikidata":"https://www.wikidata.org/wiki/Q735602","display_name":"Quantum optics","level":2,"score":0.28439998626708984},{"id":"https://openalex.org/C60799052","wikidata":"https://www.wikidata.org/wiki/Q46221","display_name":"Electric field","level":2,"score":0.2800999879837036},{"id":"https://openalex.org/C124657808","wikidata":"https://www.wikidata.org/wiki/Q1133068","display_name":"Quantum dot","level":2,"score":0.2736999988555908},{"id":"https://openalex.org/C130725296","wikidata":"https://www.wikidata.org/wiki/Q65296045","display_name":"Polariton","level":2,"score":0.2703999876976013},{"id":"https://openalex.org/C131584629","wikidata":"https://www.wikidata.org/wiki/Q4308705","display_name":"Coupling (piping)","level":2,"score":0.26969999074935913},{"id":"https://openalex.org/C9652623","wikidata":"https://www.wikidata.org/wiki/Q190109","display_name":"Field (mathematics)","level":2,"score":0.2696000039577484},{"id":"https://openalex.org/C122527463","wikidata":"https://www.wikidata.org/wiki/Q578430","display_name":"Quantum decoherence","level":3,"score":0.26589998602867126}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:2609.03795","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.03795","pdf_url":"https://arxiv.org/pdf/2609.03795","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.2609.03795","doi":"https://doi.org/10.48550/arxiv.2609.03795","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.2609.03795","pdf_url":null,"source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:2609.03795","doi":null,"is_oa":true,"landing_page_url":"https://arxiv.org/abs/2609.03795","pdf_url":"https://arxiv.org/pdf/2609.03795","source":{"id":"https://openalex.org/S4306400194","display_name":"arXiv (Cornell University)","issn_l":"2331-8422","issn":["2331-8422"],"is_oa":true,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I205783295","host_organization_name":"Cornell University","host_organization_lineage":["https://openalex.org/I205783295"],"host_organization_lineage_names":[],"type":"repository"},"license":"cc-by","license_id":"https://openalex.org/licenses/cc-by","version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"study_designs":[],"awards":[{"id":"https://openalex.org/G388538693","display_name":"The UK Car-Parrinello HEC Consortium","funder_award_id":"EP/X035891/1","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G4310967859","display_name":null,"funder_award_id":"ARCHER2","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"},{"id":"https://openalex.org/G5556308094","display_name":null,"funder_award_id":"EP/X035891/","funder_id":"https://openalex.org/F4320334627","funder_display_name":"Engineering and Physical Sciences Research Council"}],"funders":[{"id":"https://openalex.org/F4320334627","display_name":"Engineering and Physical Sciences Research Council","ror":"https://ror.org/0439y7842"}],"has_content":{"grobid_xml":true,"pdf":true},"content_urls":{"pdf":"https://content.openalex.org/works/W7208727185.pdf","grobid_xml":"https://content.openalex.org/works/W7208727185.grobid-xml"},"referenced_works_count":2,"referenced_works":["https://openalex.org/W7164902432","https://openalex.org/W7166512557"],"related_works":["https://openalex.org/W4405333309","https://openalex.org/W4210859846","https://openalex.org/W4312095542","https://openalex.org/W4414313530","https://openalex.org/W2571826222","https://openalex.org/W4392954658","https://openalex.org/W3215154314","https://openalex.org/W7104265875","https://openalex.org/W7115403728","https://openalex.org/W7140083950"],"abstract_inverted_index":{"Photoexcitation-driven":[0],"changes":[1],"in":[2,123],"the":[3,30,114,126],"electronic":[4,178],"distribution":[5],"displace":[6],"atoms,":[7],"generating":[8],"coherent":[9,35,71,87,141],"phonons":[10,69,75],"on":[11,180],"ultrafast":[12,157,173],"timescales.":[13],"Two-dimensional":[14],"(2D)":[15],"materials":[16],"and":[17,56,89,112,162,177,191],"their":[18,42],"heterostructures":[19],"offer":[20],"a":[21,37,63,133,140],"powerful":[22],"platform":[23],"for":[24,40,66,172,185],"engineering":[25],"these":[26,149],"phonons.":[27],"Yet,":[28],"despite":[29],"widespread":[31],"observation":[32],"of":[33,51,53,175],"photoexcited":[34,127],"phonons,":[36],"design":[38,64],"principle":[39,65],"controlling":[41],"character":[43],"remains":[44],"elusive.":[45],"Here,":[46],"using":[47],"detailed":[48],"atomistic":[49],"simulations":[50],"multilayers":[52],"alternating":[54],"MoSe$_2$":[55],"WSe$_2$,":[57],"we":[58],"reveal":[59],"exciton":[60],"multipolarity":[61],"as":[62],"tuning":[67],"photoinduced":[68],"from":[70,117,132],"to":[72,85,94,119,139],"squeezed.":[73],"These":[74],"are":[76],"interlayer":[77],"breathing":[78,129],"modes,":[79],"with":[80,183],"dipolar":[81,110],"excitons":[82,91,108,111],"coupling":[83,92],"linearly":[84],"generate":[86],"states":[88,151],"quadrupolar":[90,107],"quadratically":[93],"produce":[95],"squeezed":[96,118,134],"states.":[97],"Moreover,":[98],"an":[99,144],"out-of-plane":[100],"electric":[101],"field":[102,138],"enables":[103],"switch-like":[104],"control,":[105],"converting":[106],"into":[109],"switching":[113],"phonon":[115,150],"state":[116,135,142],"coherent.":[120],"For":[121],"example,":[122],"trilayer":[124],"WSe$_2$/MoSe$_2$/WSe$_2$,":[125],"1.04-THz":[128],"mode":[130],"switches":[131],"at":[136],"zero":[137],"under":[143],"applied":[145],"vertical":[146],"field.":[147],"Experimentally,":[148],"can":[152],"be":[153],"directly":[154],"probed":[155],"by":[156],"X-ray":[158],"or":[159],"electron":[160],"diffraction":[161],"indirectly":[163],"through":[164],"transient":[165],"reflectivity.":[166],"Our":[167],"results":[168],"open":[169],"new":[170],"avenues":[171],"control":[174],"lattice":[176],"dynamics":[179],"picosecond":[181],"timescales,":[182],"implications":[184],"THz":[186],"quantum":[187],"phononics,":[188],"nanophotonic":[189],"technologies,":[190],"quantum-noise-limited":[192],"sensing.":[193]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2026-09-05T00:00:00"}