{"id":"https://openalex.org/W3208117608","doi":null,"title":"Topological Classical Wave Systems With Modulations, Interactions, and Higher-order Topological States","display_name":"Topological Classical Wave Systems With Modulations, Interactions, and Higher-order Topological States","publication_year":2021,"publication_date":"2021-01-01","ids":{"openalex":"https://openalex.org/W3208117608","mag":"3208117608"},"language":"en","primary_location":{"id":"pmh:oai:academicworks.cuny.edu:gc_etds-5648","doi":null,"is_oa":true,"landing_page_url":"https://academicworks.cuny.edu/gc_etds/4599","pdf_url":"https://academicworks.cuny.edu/gc_etds/4599","source":{"id":"https://openalex.org/S4377196304","display_name":"CUNY Academic Works (City University of New York)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I174216632","host_organization_name":"City University of New York","host_organization_lineage":["https://openalex.org/I174216632"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Dissertations, Theses, and Capstone Projects","raw_type":"dissertation"},"volume":null,"type":"dissertation","is_traditional":true,"indexed_in":[],"open_access":{"is_oa":true,"oa_status":"green","oa_url":"https://academicworks.cuny.edu/gc_etds/4599","any_repository_has_fulltext":true},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5100393513","display_name":"Mengyao Li","orcid":"https://orcid.org/0000-0001-6351-3098","observed_orcids":["https://orcid.org/0000-0001-6351-3098","https://orcid.org/0009-0009-1062-1621"]},"institutions":[],"countries":[],"is_corresponding":true,"raw_author_name":"Mengyao Li","raw_affiliation_strings":[],"raw_orcid":"https://orcid.org/0000-0001-6351-3098","affiliations":[]}],"institutions":[],"countries_distinct_count":0,"institutions_distinct_count":0,"corresponding_author_ids":["https://openalex.org/A5100393513"],"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/T10657","display_name":"Topological Materials and Phenomena","score":0.9994999766349792,"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"}},"topics":[{"id":"https://openalex.org/T10657","display_name":"Topological Materials and Phenomena","score":0.9994999766349792,"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/T11262","display_name":"Quantum Mechanics and Non-Hermitian Physics","score":0.00039999998989515007,"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/T10822","display_name":"Acoustic Wave Phenomena Research","score":0.0,"subfield":{"id":"https://openalex.org/subfields/3102","display_name":"Acoustics and Ultrasonics"},"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/floquet-topological-phases","display_name":"Floquet topological phases","score":0.7490000128746033},{"id":"https://openalex.org/keywords/kagome-lattice","display_name":"kagome lattice","score":0.7649999856948853},{"id":"https://openalex.org/keywords/exciton-polaritons","display_name":"exciton-polaritons","score":0.6970000267028809},{"id":"https://openalex.org/keywords/phonon-polaritons","display_name":"phonon polaritons","score":0.9319999814033508},{"id":"https://openalex.org/keywords/strong-coupling","display_name":"strong coupling","score":0.45399999618530273},{"id":"https://openalex.org/keywords/long-range-interactions","display_name":"long-range interactions","score":0.550000011920929}],"concepts":[{"id":"https://openalex.org/C148908050","wikidata":"https://www.wikidata.org/wiki/Q11681505","display_name":"Topological entropy in physics","level":3,"score":0.6572811007499695},{"id":"https://openalex.org/C184720557","wikidata":"https://www.wikidata.org/wiki/Q7825049","display_name":"Topology (electrical circuits)","level":2,"score":0.6060645580291748},{"id":"https://openalex.org/C92542899","wikidata":"https://www.wikidata.org/wiki/Q7661340","display_name":"Symmetry protected topological order","level":4,"score":0.5146094560623169},{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.492404580116272},{"id":"https://openalex.org/C47600822","wikidata":"https://www.wikidata.org/wiki/Q7825032","display_name":"Topological dynamics","level":5,"score":0.4667026996612549},{"id":"https://openalex.org/C182306322","wikidata":"https://www.wikidata.org/wiki/Q1779371","display_name":"Order (exchange)","level":2,"score":0.4436289072036743},{"id":"https://openalex.org/C77223115","wikidata":"https://www.wikidata.org/wiki/Q634781","display_name":"Topological quantum number","level":2,"score":0.4313719868659973},{"id":"https://openalex.org/C45646460","wikidata":"https://www.wikidata.org/wiki/Q17165159","display_name":"Topological order","level":3,"score":0.3944168984889984},{"id":"https://openalex.org/C33923547","wikidata":"https://www.wikidata.org/wiki/Q395","display_name":"Mathematics","level":0,"score":0.3214186429977417},{"id":"https://openalex.org/C33332235","wikidata":"https://www.wikidata.org/wiki/Q18362","display_name":"Theoretical physics","level":1,"score":0.32080113887786865},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.1808011531829834},{"id":"https://openalex.org/C178099376","wikidata":"https://www.wikidata.org/wiki/Q7825044","display_name":"Topological tensor product","level":4,"score":0.13234078884124756},{"id":"https://openalex.org/C86803240","wikidata":"https://www.wikidata.org/wiki/Q420","display_name":"Biology","level":0,"score":0.11277362704277039},{"id":"https://openalex.org/C84114770","wikidata":"https://www.wikidata.org/wiki/Q46344","display_name":"Quantum","level":2,"score":0.09589523077011108},{"id":"https://openalex.org/C114614502","wikidata":"https://www.wikidata.org/wiki/Q76592","display_name":"Combinatorics","level":1,"score":0.08152914047241211},{"id":"https://openalex.org/C10138342","wikidata":"https://www.wikidata.org/wiki/Q43015","display_name":"Finance","level":1,"score":0.0},{"id":"https://openalex.org/C162324750","wikidata":"https://www.wikidata.org/wiki/Q8134","display_name":"Economics","level":0,"score":0.0},{"id":"https://openalex.org/C55493867","wikidata":"https://www.wikidata.org/wiki/Q7094","display_name":"Biochemistry","level":1,"score":0.0},{"id":"https://openalex.org/C55112680","wikidata":"https://www.wikidata.org/wiki/Q190549","display_name":"Functional analysis","level":3,"score":0.0},{"id":"https://openalex.org/C104317684","wikidata":"https://www.wikidata.org/wiki/Q7187","display_name":"Gene","level":2,"score":0.0}],"mesh":[],"locations_count":2,"locations":[{"id":"pmh:oai:academicworks.cuny.edu:gc_etds-5648","doi":null,"is_oa":true,"landing_page_url":"https://academicworks.cuny.edu/gc_etds/4599","pdf_url":"https://academicworks.cuny.edu/gc_etds/4599","source":{"id":"https://openalex.org/S4377196304","display_name":"CUNY Academic Works (City University of New York)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I174216632","host_organization_name":"City University of New York","host_organization_lineage":["https://openalex.org/I174216632"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Dissertations, Theses, and Capstone Projects","raw_type":"dissertation"},{"id":"mag:3208117608","doi":null,"is_oa":false,"landing_page_url":"https://academicworks.cuny.edu/cgi/viewcontent.cgi?article=5648&context=gc_etds","pdf_url":null,"source":null,"license":null,"license_id":null,"version":null,"is_accepted":false,"is_published":false,"raw_source_name":null,"raw_type":null}],"best_oa_location":{"id":"pmh:oai:academicworks.cuny.edu:gc_etds-5648","doi":null,"is_oa":true,"landing_page_url":"https://academicworks.cuny.edu/gc_etds/4599","pdf_url":"https://academicworks.cuny.edu/gc_etds/4599","source":{"id":"https://openalex.org/S4377196304","display_name":"CUNY Academic Works (City University of New York)","issn_l":null,"issn":null,"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/I174216632","host_organization_name":"City University of New York","host_organization_lineage":["https://openalex.org/I174216632"],"host_organization_lineage_names":[],"type":"repository"},"license":null,"license_id":null,"version":"submittedVersion","is_accepted":false,"is_published":false,"raw_source_name":"Dissertations, Theses, and Capstone Projects","raw_type":"dissertation"},"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":true,"grobid_xml":true},"content_urls":{"pdf":"https://content.openalex.org/works/W3208117608.pdf","grobid_xml":"https://content.openalex.org/works/W3208117608.grobid-xml"},"referenced_works_count":62,"referenced_works":["https://openalex.org/W41153617","https://openalex.org/W1625951388","https://openalex.org/W2000499241","https://openalex.org/W2007421284","https://openalex.org/W2007860731","https://openalex.org/W2008968350","https://openalex.org/W2015027166","https://openalex.org/W2020581398","https://openalex.org/W2022546707","https://openalex.org/W2024146103","https://openalex.org/W2029566284","https://openalex.org/W2031362515","https://openalex.org/W2037807652","https://openalex.org/W2054225720","https://openalex.org/W2073360360","https://openalex.org/W2074950413","https://openalex.org/W2082018247","https://openalex.org/W2093596311","https://openalex.org/W2097780038","https://openalex.org/W2101893110","https://openalex.org/W2112578132","https://openalex.org/W2128370884","https://openalex.org/W2136592254","https://openalex.org/W2146256920","https://openalex.org/W2182508619","https://openalex.org/W2281672510","https://openalex.org/W2297830556","https://openalex.org/W2337998329","https://openalex.org/W2407474129","https://openalex.org/W2465956431","https://openalex.org/W2487910895","https://openalex.org/W2517430560","https://openalex.org/W2521066875","https://openalex.org/W2555843628","https://openalex.org/W2656144764","https://openalex.org/W2739180404","https://openalex.org/W2744469434","https://openalex.org/W2746007985","https://openalex.org/W2747378473","https://openalex.org/W2749592121","https://openalex.org/W2751666179","https://openalex.org/W2754035913","https://openalex.org/W2761412195","https://openalex.org/W2763693106","https://openalex.org/W2787209400","https://openalex.org/W2808953895","https://openalex.org/W2810206590","https://openalex.org/W2885309566","https://openalex.org/W2898867578","https://openalex.org/W2904552528","https://openalex.org/W2905997410","https://openalex.org/W2906160387","https://openalex.org/W2911939274","https://openalex.org/W2912172913","https://openalex.org/W2927806362","https://openalex.org/W2944052331","https://openalex.org/W2952582326","https://openalex.org/W2960351433","https://openalex.org/W3013599904","https://openalex.org/W3027858658","https://openalex.org/W3136421532","https://openalex.org/W3194886371"],"related_works":["https://openalex.org/W6891939868","https://openalex.org/W3134924903","https://openalex.org/W2804441006","https://openalex.org/W3008783052","https://openalex.org/W3092181927","https://openalex.org/W2805384664","https://openalex.org/W2993048782","https://openalex.org/W3080083097","https://openalex.org/W4392555917","https://openalex.org/W3191323220"],"abstract_inverted_index":{"Topological":[0,29],"phases":[1,317,654],"in":[2,63,85,122,166,192,202,223,236,301,340,392,417,432,461,506,521,535,562,583,647],"classical":[3,290,394],"wave":[4,18,291],"systems,":[5,204,227,464],"such":[6,396,512,631],"as":[7,170,195,197,228,230,246,397,513,632],"photonic":[8,124,134,154,226,237,418,426,463,578,607],"and":[9,15,21,26,36,52,69,91,118,135,143,199,220,225,267,284,318,337,403,422,436,442,479,546,549,555,595,612,628,650,655],"acoustic,":[10],"have":[11,176,624],"been":[12,40,390,625],"actively":[13],"investigated":[14,213],"applied":[16,61],"for":[17,56,440],"guiding,":[19],"lasing,":[20],"numerous":[22],"other":[23,106,393,438],"novel":[24,72,316,598],"phenomena":[25,82],"device":[27],"applications":[28,649],"phase":[30,331],"transitions":[31,319,605],"enable":[32],"robust":[33],"boundary":[34,186,540,656],"states,":[35,187,355,497],"the":[37,59,89,105,127,130,231,252,308,323,350,358,430,437,453,477,522,544,563,584,634],"field":[38],"has":[39,298],"broadening":[41],"recently":[42],"into":[43,373],"a":[44,160,275,329,334,381,473,490,501,536,643],"vast":[45],"variety":[46,503],"of":[47,88,102,138,163,179,216,233,242,256,278,304,310,326,352,360,384,458,476,481,504,538,571,586,622,636,652],"systems":[48,395],"with":[49,96,322,509,577],"temporal":[50],"modulations":[51],"interactions.":[53],"Floquet":[54,77,261,279,314],"modulation,":[55,280,315,336],"example,":[57],"is":[58,108,245,282,412,429,439,447,472,489],"modulation":[60,78],"periodically":[62],"time":[64],"which":[65,205,281,297,346,445,641],"may":[66],"break":[67],"symmetries":[68],"leads":[70,596],"to":[71,113,156,286,349,597,609],"topological":[73,93,149,164,167,173,185,257,259,265,377,495,579,604,653],"phases.":[74],"Introducing":[75],"non-Hermitian":[76],"enables":[79],"more":[80,644],"interesting":[81],"including":[83,188,218,328,365,603],"bandgap":[84],"imaginary":[86,312],"part":[87],"spectrum":[90],"gainy/lossy":[92],"edge":[94,354,362,613],"states":[95,165,191,201,527,561,614],"complex":[97,341,353],"energy":[98],"values.":[99],"An":[100],"example":[101],"interactions,":[103],"on":[104,294,492],"hand,":[107],"introducing":[109],"excitons":[110],"or":[111,575,617],"phonons":[112],"create":[114],"polaritons":[115,623],"-":[116,121],"half-light":[117],"half-matter":[119],"quasiparticles":[120],"respective":[123],"systems.":[125,306,419,580],"In":[126,270,307,368],"latter":[128],"case,":[129],"strong":[131,474,601],"coupling":[132],"between":[133,573],"solid-state":[136],"degrees":[137],"freedom":[139],"introduces":[140],"avoided":[141],"crossing":[142],"band":[144,638],"repelling,":[145],"opening":[146],"bandgaps":[147],"where":[148],"properties":[150],"transit":[151],"partly":[152],"from":[153,452,518,606],"bands":[155,339,608],"polaritonic":[157,610],"bands.":[158],"Recently,":[159],"new":[161,276,361,382,409,467],"kind":[162,383],"structures,":[168,194],"known":[169],"higher":[171,183,263,493,510],"order":[172,184,264,494],"insulators":[174],"(HOTIs),":[175],"drawn":[177],"attention":[178],"research.":[180],"HOTIs":[181,505],"hold":[182],"0D":[189,198,559],"corner":[190,385,410,459,470,485,560],"2D":[193],"well":[196,229],"1D":[200],"3D":[203,514,552,565],"are":[206,528,592],"induced":[207,332,413,484,529],"by":[208,333,414,530,639],"non-zero":[209],"bulk":[210],"polarization.":[211],"We":[212,379,420,542],"different":[214,582],"types":[215,621],"HOTIs,":[217,222],"Wannier-type":[219],"multipolar":[221],"acoustic":[224,303],"effect":[232],"long-range":[234,415,482],"interaction":[235,483],"HOTI":[238],"system.":[239,516,566],"The":[240,248,456],"layout":[241],"this":[243,408,466,507],"dissertation":[244],"follows.":[247],"first":[249],"section":[250],"contains":[251],"basic,":[253],"introductory":[254],"concepts":[255],"insulators,":[258,266],"invariants,":[260],"topology,":[262],"exciton/phonon":[268],"polaritons.":[269],"Chapter":[271,369,487,567],"2,":[272],"we":[273,371,406,499,556],"introduced":[274],"type":[277,375,468,520],"diagonal":[283],"non-Hermitian,":[285],"an":[287,448],"analytically":[288],"treatable":[289],"system":[292],"based":[293],"kagome":[295],"lattice,":[296,554],"potential":[299],"implementations":[300],"photonic,":[302],"mechanic":[305],"case":[309],"purely":[311],"on-site":[313],"take":[320],"place":[321],"increasing":[324],"amplitude":[325],"modulations,":[327,345],"pseudo-Hermitian":[330],"small":[335],"distinguishable":[338],"space":[342],"under":[343,434,600],"larger":[344],"give":[347],"rise":[348],"emergence":[351],"thus":[356],"enabling":[357],"possibilities":[359],"state":[363,386,411],"applications,":[364],"edge-state":[366],"lasing.":[367],"3,":[370],"look":[372],"Wannier":[374,519],"higher-order":[376],"states.":[378,541,657],"observed":[380,558,626],"that":[387],"had":[388],"not":[389],"seen":[391],"acoustic.":[398],"By":[399],"conducting":[400],"analytical,":[401],"numerical,":[402],"experimental":[404],"studies,":[405],"confirmed":[407],"interactions":[416,572,591],"designed":[421],"experimentally":[423,557],"studied":[424],"two":[425],"metasurfaces,":[427],"one":[428],"design":[431,547],"waveguide":[433],"microwave,":[435],"near":[441],"mid":[443],"IR":[444],"also":[446],"all-dielectric":[449],"structure":[450],"distinguish":[451],"previous":[454,523],"one.":[455],"observation":[457],"modes":[460],"both":[462],"especially":[465],"II":[469],"mode,":[471],"prove":[475],"existence":[478],"formation":[480],"mode.":[486],"4":[488],"follow-up":[491],"(HOT)":[496],"but":[498],"present":[500],"broader":[502],"chapter,":[508,524],"dimensions":[511],"octupole":[515,553],"Different":[517],"multipole":[525],"HOT":[526],"nontrivial":[531],"nested":[532],"Wilson":[533],"loop":[534],"hierarchy":[537],"gapped":[539],"overcame":[543],"technical":[545],"difficulties":[548],"successfully":[550],"fabricated":[551],"proposed":[564],"5":[568],"includes":[569],"examples":[570],"exciton":[574,616],"phonon":[576,618],"While":[581],"origin":[585],"quasi-particle":[587],"flat":[588,637],"bands,":[589,611],"their":[590],"very":[593],"similar":[594],"results":[599],"coupling,":[602],"carrying":[615],"fractions.":[619],"Both":[620],"experimentally,":[627],"related":[629],"techniques,":[630],"tuning":[633,651],"position":[635],"temperature,":[640],"enabled":[642],"flexible":[645],"approach":[646],"possible":[648]},"counts_by_year":[],"updated_date":"2026-11-07T11:25:07.637180","created_date":"2021-11-08T00:00:00"}
