{"id":"https://openalex.org/W4241967804","doi":"https://doi.org/10.1103/physrevb.15.5262","title":"Temperature and frequency dependence of longitudinal sound in hcp He4","display_name":"Temperature and frequency dependence of longitudinal sound in hcp He4","publication_year":1977,"publication_date":"1977-06-01","ids":{"openalex":"https://openalex.org/W4241967804","doi":"https://doi.org/10.1103/physrevb.15.5262"},"language":"en","primary_location":{"id":"doi:10.1103/physrevb.15.5262","doi":"https://doi.org/10.1103/physrevb.15.5262","is_oa":false,"landing_page_url":"https://doi.org/10.1103/physrevb.15.5262","pdf_url":null,"source":{"id":"https://openalex.org/S4210208989","display_name":"Physical review. B, Solid state","issn_l":"0556-2805","issn":["0556-2805"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310320261","host_organization_name":"American Physical Society","host_organization_lineage":["https://openalex.org/P4310320261"],"host_organization_lineage_names":["American Physical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physical Review B","raw_type":"journal-article"},"volume":null,"type":"article","is_traditional":true,"indexed_in":["crossref"],"open_access":{"is_oa":false,"oa_status":"closed","oa_url":null,"any_repository_has_fulltext":false},"authorships":[{"author_position":"first","author":{"id":"https://openalex.org/A5035026792","display_name":"Iain D. Calder","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"I. D. Calder","raw_affiliation_strings":["Department of Physics, University of Alberta, Edmonton, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Alberta, Edmonton, Canada","institution_ids":["https://openalex.org/I154425047"]}]},{"author_position":"last","author":{"id":"https://openalex.org/A5109330487","display_name":"J\u00fcrgen P. Franck","orcid":null,"observed_orcids":[]},"institutions":[{"id":"https://openalex.org/I154425047","display_name":"University of Alberta","ror":"https://ror.org/0160cpw27","country_code":"CA","type":"education","lineage":["https://openalex.org/I154425047"]}],"countries":["CA"],"is_corresponding":false,"raw_author_name":"J. P. Franck","raw_affiliation_strings":["Department of Physics, University of Alberta, Edmonton, Canada"],"raw_orcid":null,"affiliations":[{"raw_affiliation_string":"Department of Physics, University of Alberta, Edmonton, Canada","institution_ids":["https://openalex.org/I154425047"]}]}],"institutions":[],"countries_distinct_count":1,"institutions_distinct_count":1,"corresponding_author_ids":[],"corresponding_institution_ids":["https://openalex.org/I154425047"],"apc_list":null,"apc_paid":null,"fwci":1.2102,"has_fulltext":false,"cited_by_count":13,"citation_normalized_percentile":{"value":0.77137161,"is_in_top_1_percent":false,"is_in_top_10_percent":false},"cited_by_percentile_year":{"min":88,"max":93},"biblio":{"volume":"15","issue":"11","first_page":"5262","last_page":"5266"},"is_retracted":false,"is_paratext":false,"is_xpac":false,"primary_topic":{"id":"https://openalex.org/T11965","display_name":"Quantum, superfluid, helium dynamics","score":0.9994999766349792,"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":0.9994999766349792,"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/T10474","display_name":"Material Dynamics and Properties","score":9.999999747378752e-05,"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/T10413","display_name":"High-pressure geophysics and materials","score":9.999999747378752e-05,"subfield":{"id":"https://openalex.org/subfields/1908","display_name":"Geophysics"},"field":{"id":"https://openalex.org/fields/19","display_name":"Earth and Planetary Sciences"},"domain":{"id":"https://openalex.org/domains/3","display_name":"Physical Sciences"}}],"keywords":[{"id":"https://openalex.org/keywords/longitudinal-sound-velocity","display_name":"longitudinal sound velocity","score":0.7860000133514404},{"id":"https://openalex.org/keywords/helium-4","display_name":"helium-4","score":0.796999990940094},{"id":"https://openalex.org/keywords/hexagonal-close-packed-structure","display_name":"hexagonal close-packed structure","score":0.7379999756813049},{"id":"https://openalex.org/keywords/acoustic-attenuation","display_name":"acoustic attenuation","score":0.7390000224113464},{"id":"https://openalex.org/keywords/frequency-dispersion","display_name":"frequency dispersion","score":0.5640000104904175},{"id":"https://openalex.org/keywords/temperature-dependence","display_name":"temperature dependence","score":0.7390000224113464},{"id":"https://openalex.org/keywords/ultrasonic-dispersion","display_name":"ultrasonic dispersion","score":0.5690000057220459},{"id":"https://openalex.org/keywords/single-crystals","display_name":"single crystals","score":0.47699999809265137},{"id":"https://openalex.org/keywords/low-temperature-acoustics","display_name":"low-temperature acoustics","score":0.6320000290870667}],"concepts":[{"id":"https://openalex.org/C121332964","wikidata":"https://www.wikidata.org/wiki/Q413","display_name":"Physics","level":0,"score":0.5838038921356201},{"id":"https://openalex.org/C2781285689","wikidata":"https://www.wikidata.org/wiki/Q21921428","display_name":"Crystal (programming language)","level":2,"score":0.553608775138855},{"id":"https://openalex.org/C177562468","wikidata":"https://www.wikidata.org/wiki/Q182893","display_name":"Dispersion (optics)","level":2,"score":0.5178552269935608},{"id":"https://openalex.org/C184652730","wikidata":"https://www.wikidata.org/wiki/Q2357982","display_name":"Attenuation","level":2,"score":0.49627572298049927},{"id":"https://openalex.org/C202579712","wikidata":"https://www.wikidata.org/wiki/Q590051","display_name":"Dispersion relation","level":2,"score":0.48705509305000305},{"id":"https://openalex.org/C26873012","wikidata":"https://www.wikidata.org/wiki/Q214781","display_name":"Condensed matter physics","level":1,"score":0.4660922586917877},{"id":"https://openalex.org/C12997251","wikidata":"https://www.wikidata.org/wiki/Q567560","display_name":"Anomaly (physics)","level":2,"score":0.45263659954071045},{"id":"https://openalex.org/C127529279","wikidata":"https://www.wikidata.org/wiki/Q637450","display_name":"Velocity dispersion","level":3,"score":0.4494107961654663},{"id":"https://openalex.org/C46141821","wikidata":"https://www.wikidata.org/wiki/Q209402","display_name":"Nuclear magnetic resonance","level":1,"score":0.3283085823059082},{"id":"https://openalex.org/C120665830","wikidata":"https://www.wikidata.org/wiki/Q14620","display_name":"Optics","level":1,"score":0.253238320350647},{"id":"https://openalex.org/C62520636","wikidata":"https://www.wikidata.org/wiki/Q944","display_name":"Quantum mechanics","level":1,"score":0.11397925019264221},{"id":"https://openalex.org/C41008148","wikidata":"https://www.wikidata.org/wiki/Q21198","display_name":"Computer science","level":0,"score":0.08441907167434692},{"id":"https://openalex.org/C98444146","wikidata":"https://www.wikidata.org/wiki/Q318","display_name":"Galaxy","level":2,"score":0.0},{"id":"https://openalex.org/C199360897","wikidata":"https://www.wikidata.org/wiki/Q9143","display_name":"Programming language","level":1,"score":0.0}],"mesh":[],"locations_count":1,"locations":[{"id":"doi:10.1103/physrevb.15.5262","doi":"https://doi.org/10.1103/physrevb.15.5262","is_oa":false,"landing_page_url":"https://doi.org/10.1103/physrevb.15.5262","pdf_url":null,"source":{"id":"https://openalex.org/S4210208989","display_name":"Physical review. B, Solid state","issn_l":"0556-2805","issn":["0556-2805"],"is_oa":false,"is_in_doaj":false,"is_core":false,"listed_in":[],"host_organization":"https://openalex.org/P4310320261","host_organization_name":"American Physical Society","host_organization_lineage":["https://openalex.org/P4310320261"],"host_organization_lineage_names":["American Physical Society"],"type":"journal"},"license":null,"license_id":null,"version":"publishedVersion","is_accepted":true,"is_published":true,"raw_source_name":"Physical Review B","raw_type":"journal-article"}],"best_oa_location":null,"sustainable_development_goals":[],"study_designs":[],"awards":[],"funders":[],"has_content":{"pdf":false,"grobid_xml":false},"content_urls":null,"referenced_works_count":29,"referenced_works":["https://openalex.org/W1965649716","https://openalex.org/W1969703213","https://openalex.org/W1974025406","https://openalex.org/W1976434413","https://openalex.org/W1982166813","https://openalex.org/W2015756827","https://openalex.org/W2016032630","https://openalex.org/W2016925053","https://openalex.org/W2022232127","https://openalex.org/W2028058857","https://openalex.org/W2028399965","https://openalex.org/W2044859401","https://openalex.org/W2045266457","https://openalex.org/W2050168337","https://openalex.org/W2051436665","https://openalex.org/W2054822306","https://openalex.org/W2059909252","https://openalex.org/W2069076074","https://openalex.org/W2069089850","https://openalex.org/W2072230004","https://openalex.org/W2078504844","https://openalex.org/W2082747225","https://openalex.org/W2083813181","https://openalex.org/W2086353592","https://openalex.org/W2087115042","https://openalex.org/W2093298343","https://openalex.org/W2093333995","https://openalex.org/W2142189225","https://openalex.org/W2210356654"],"related_works":["https://openalex.org/W2092690205","https://openalex.org/W2261646756","https://openalex.org/W2082747225","https://openalex.org/W2059958765","https://openalex.org/W2075778444","https://openalex.org/W2064263582","https://openalex.org/W2068999122","https://openalex.org/W1992527909","https://openalex.org/W1982166813","https://openalex.org/W2050168337"],"abstract_inverted_index":{"Data":[0],"are":[1,94],"presented":[2],"for":[3],"the":[4,72,85],"longitudinal":[5],"sound":[6],"velocity":[7,27,48],"of":[8,11,18],"single":[9],"crystals":[10,43,83],"hcp":[12],"$^{4}\\mathrm{He}$":[13],"at":[14,30],"a":[15,45],"molar":[16],"volume":[17],"17.4":[19],"${\\mathrm{cm}}^{3}$/mol":[20],"from":[21],"0.25":[22],"to":[23,58,87],"3.0":[24],"K":[25],"The":[26,55],"was":[28],"measured":[29],"5,":[31],"15,":[32],"and":[33,49],"25":[34,88],"MHz":[35,89],"on":[36],"each":[37],"crystal.":[38],"Most,":[39],"but":[40,79],"not":[41],"all,":[42],"show":[44],"strongly":[46],"anomalous":[47,80],"attenuation":[50],"below":[51],"about":[52],"1.8":[53],"K.":[54],"anomaly":[56],"moves":[57],"lower":[59],"temperatures":[60],"with":[61],"increasing":[62],"frequency.":[63],"Very":[64],"large":[65],"dispersion":[66,73],"is":[67],"found":[68],"in":[69,76,81,84],"all":[70],"crystals,":[71,78],"being":[74],"normal":[75],"most":[77],"two":[82],"15":[86],"range.":[90],"Various":[91],"possible":[92],"explanations":[93],"discussed.":[95]},"counts_by_year":[{"year":2020,"cited_by_count":1},{"year":2012,"cited_by_count":1}],"updated_date":"2026-11-09T13:22:03.289127","created_date":"2022-05-12T00:00:00"}