{"id":"https://openalex.org/W2010220077","doi":"https://doi.org/10.48550/arxiv.cond-mat/9806179","title":"Impurity effective mass in superfluid $^4$He","display_name":"Impurity effective mass in superfluid $^4$He","publication_year":1998,"publication_date":"1998-06-15","ids":{"openalex":"https://openalex.org/W2010220077","doi":"https://doi.org/10.48550/arxiv.cond-mat/9806179","mag":"2010220077"},"language":"en","primary_location":{"id":"pmh:oai:arXiv.org:cond-mat/9806179","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/cond-mat/9806179","pdf_url":"https://arxiv.org/pdf/cond-mat/9806179","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"volume":null,"type":"preprint","indexed_in":["arxiv","datacite"],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://arxiv.org/pdf/cond-mat/9806179","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5067534902","display_name":"I. O. Vakarchuk","orcid":"https://orcid.org/0000-0003-4032-5347","observed_orcids":["https://orcid.org/0000-0003-4032-5347"]},"institutions":[{"id":"https://openalex.org/I200280692","display_name":"Lviv University","ror":"https://ror.org/01s7y5e82","country_code":"UA","type":"education","lineage":["https://openalex.org/I200280692"]}],"countries":["UA"],"is_corresponding":false,"raw_author_name":"Vakarchuk, I. O.","raw_affiliation_strings":["Lviv State University Department for Theoretical Physics 12 Drahomanov Str. , 290005 , Lviv Ukraine"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Lviv State University Department for Theoretical Physics 12 Drahomanov Str. , 290005 , Lviv Ukraine","institution_ids":["https://openalex.org/I200280692"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5077363170","display_name":"Volodymyr Babin","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I200280692","display_name":"Lviv University","ror":"https://ror.org/01s7y5e82","country_code":"UA","type":"education","lineage":["https://openalex.org/I200280692"]}],"countries":["UA"],"is_corresponding":false,"raw_author_name":"Babin, V. V.","raw_affiliation_strings":["Lviv State University Department for Theoretical Physics 12 Drahomanov Str. , 290005 , Lviv Ukraine"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Lviv State University Department for Theoretical Physics 12 Drahomanov Str. , 290005 , Lviv Ukraine","institution_ids":["https://openalex.org/I200280692"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I200280692"],"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/T11965","display_name":"Quantum, superfluid, helium dynamics","score":1.0,"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"}},"topics":[{"id":"https://openalex.org/T11965","display_name":"Quantum, superfluid, helium dynamics","score":1.0,"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/T10591","display_name":"Theoretical and Computational Physics","score":0.0,"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"}},{"id":"https://openalex.org/T10425","display_name":"Cold Atom Physics and Bose-Einstein Condensates","score":0.0,"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"}}],"keywords":[{"id":"https://openalex.org/keywords/superfluid-helium-4","display_name":"superfluid helium-4","score":0.9900000095367432},{"id":"https://openalex.org/keywords/helium-3-impurities","display_name":"helium-3 impurities","score":0.7519999742507935},{"id":"https://openalex.org/keywords/bose-liquid","display_name":"Bose liquid","score":0.8370000123977661},{"id":"https://openalex.org/keywords/energy-spectrum","display_name":"energy spectrum","score":0.75}],"concepts":[{"id":"https://openalex.org/C71987851","wikidata":"https://www.wikidata.org/wiki/Q7216430","display_name":"Impurity","level":2,"score":0.8837679028511047},{"id":"https://openalex.org/C25536358","wikidata":"https://www.wikidata.org/wiki/Q106667","display_name":"Superfluidity","level":2,"score":0.8773621320724487},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.5926958322525024},{"id":"https://openalex.org/C179764930","wikidata":"https://www.wikidata.org/wiki/Q3509437","display_name":"Effective mass (spring\u2013mass system)","level":2,"score":0.5711897611618042},{"id":"https://openalex.org/C2983197053","wikidata":"https://www.wikidata.org/wiki/Q654182","display_name":"Energy spectrum","level":2,"score":0.5491766929626465},{"id":"https://openalex.org/C58312451","wikidata":"https://www.wikidata.org/wiki/Q4817200","display_name":"Atom (system on chip)","level":2,"score":0.5165539979934692},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.4747215509414673},{"id":"https://openalex.org/C184779094","wikidata":"https://www.wikidata.org/wiki/Q26383","display_name":"Atomic physics","level":1,"score":0.3984720706939697},{"id":"https://openalex.org/C185544564","wikidata":"https://www.wikidata.org/wiki/Q81197","display_name":"Nuclear physics","level":1,"score":0.12798839807510376},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.12269926071166992},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.0},{"id":"https://openalex.org/C149635348","wikidata":"https://www.wikidata.org/wiki/Q193040","display_name":"Embedded system","level":1,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:arXiv.org:cond-mat/9806179","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/cond-mat/9806179","pdf_url":"https://arxiv.org/pdf/cond-mat/9806179","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},{"id":"doi:10.48550/arxiv.cond-mat/9806179","doi":"https://doi.org/10.48550/arxiv.cond-mat/9806179","is_oa":true,"landing_page_url":"https://doi.org/10.48550/arxiv.cond-mat/9806179","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":null,"license_id":null,"version":null,"is_accepted":false,"is_published":null,"raw_source_name":null,"raw_type":"Preprint"}],"best_oa_location":{"id":"pmh:oai:arXiv.org:cond-mat/9806179","doi":null,"is_oa":true,"landing_page_url":"http://arxiv.org/abs/cond-mat/9806179","pdf_url":"https://arxiv.org/pdf/cond-mat/9806179","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":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":"text"},"sustainable_development_goals":[],"sustainable_development_goals_aurora":[{"id":"https://metadata.un.org/sdg/7","score":0.8799999952316284,"display_name":"Affordable and clean energy"}],"study_designs":[],"awards":[],"funders":[],"has_content":{"grobid_xml":false,"pdf":false},"content_urls":null,"referenced_works_count":0,"referenced_works":[],"related_works":["https://openalex.org/W2610903309","https://openalex.org/W1967726292","https://openalex.org/W833340787","https://openalex.org/W6490578","https://openalex.org/W3016245739","https://openalex.org/W1989553485","https://openalex.org/W2072484446","https://openalex.org/W1764594819","https://openalex.org/W2023121032","https://openalex.org/W1977348589"],"abstract_inverted_index":{"The":[0,9],"system":[1],"of":[2,17,24],"bose":[3],"liquid":[4],"+":[5],"impurity":[6,18],"is":[7,19],"considered.":[8],"energy":[10],"spectrum":[11],"as":[12,14],"well":[13],"effective":[15],"mass":[16],"calculated.":[20],"For":[21],"the":[22,25],"case":[23],"$":[26],"^3He$":[27],"atom":[28],"in":[29],"superfluid":[30],"$^4He$":[31],"numerical":[32],"calculations":[33],"are":[34],"performed.":[35]},"counts_by_year":[],"updated_date":"2026-10-11T09:32:39.932853","created_date":"2025-10-10T00:00:00"}
