{"id":{"repo_id":"uiuc","oai_identifier":"oai:www.ideals.illinois.edu:2142/25069"},"canonical_url":"https://search.dev.ndltd.org/etd/uiuc/oai:www.ideals.illinois.edu:2142/25069","repository":{"repo_id":"uiuc","name":"University of Illinois - Urbana-Champaign","base_url":"https://www.ideals.illinois.edu/oai-pmh"},"display":{"title":"Heat capacity of dilute solutions of liquid He[superscript 3] in He[superscript 4] at low temperatures","abstract":"Heat capacity measurements were made on two dilute solutions of 1iquid He3 in He4. These data, taken under saturated vapor o 0 pressure at temperatures between .005 K and .20 K, are characteristic of an ideal Fermi gas with m'l'< dependent only slightly on concentration. The solution with a molar concentration of Re3 of (1.32 ± .01)% had a degeneracy temperature of (.141 ± .002)oK and m*/m = 2.38 ±.04. For the solution with a (5.02 -+ .03)% concentration of He3 the degenetacy temperature was (.331 ± .004)oK while m*/m = 2,46 ± .04. The slight dependence of m* on concentration can be explained in, terms of the Landau theory of a Fermi liquid. The perturbation method, which Bardeen, Baym j and Pines used to determine an,effective potential v(q) between He 3 quasiparticles from later data on the magnetic properties of these solutions, was used to estimate the low temperature contribution of the He 3 quasipartic1es to the thermal conductivity and viscosity of dilute solutions.","abstract_html":"Heat capacity measurements were made on two dilute solutions of 1iquid He3 in He4. These data, taken under saturated vapor o 0 pressure at temperatures between .005 K and .20 K, are characteristic of an ideal Fermi gas with m&#x27;l&#x27;&lt; dependent only slightly on concentration. The solution with a molar concentration of Re3 of (1.32 ± .01)% had a degeneracy temperature of (.141 ± .002)oK and m*/m = 2.38 ±.04. For the solution with a (5.02 -+ .03)% concentration of He3 the degenetacy temperature was (.331 ± .004)oK while m*/m = 2,46 ± .04. The slight dependence of m* on concentration can be explained in, terms of the Landau theory of a Fermi liquid. The perturbation method, which Bardeen, Baym j and Pines used to determine an,effective potential v(q) between He 3 quasiparticles from later data on the magnetic properties of these solutions, was used to estimate the low temperature contribution of the He 3 quasipartic1es to the thermal conductivity and viscosity of dilute solutions.","abstract_has_math":false,"creators":["Roach, William Ronald"],"institution":null,"degree_name":"Ph.D.","degree_level":"Dissertation","degree_discipline":"Physics","degree_department":null,"school":null,"contributors":["Wheatley, J.C."],"advisors":[],"committee_chairs":[],"committee_members":[],"year":2011,"date_issued":"2011-05-31T16:24:13Z","date_published":"2011-05-31T16:24:13Z","updated_at":"2026-07-22T22:25:24Z","subjects":["low temperature heat capacity","Helium 3","Helium 4","saturated vapor pressure"],"languages":["en"],"rights":["1966 William Ronald Roach"],"rights_urls":[],"identifier_entries":[{"key":"dc:identifier","label":"Identifier","values":["6117645"],"render_values":[{"text":"6117645","href":null,"code":true}]}]},"links":{"outbound_url":"http://hdl.handle.net/2142/25069","outbound_label":"Handle","outbound_source":"dc:identifier"},"metadata_groups":[{"id":"people","label":"People","entries":[{"key":"dc:contributor","label":"Contributor","values":["Wheatley, J.C."]},{"key":"dc:creator","label":"Author","values":["Roach, William Ronald"]}]},{"id":"academic_context","label":"Academic Context","entries":[{"key":"dc:date","label":"Dc Date","values":["2011-05-31T16:24:13Z","10000-01-01","1966"]},{"key":"dc:type","label":"Dc Type","values":["Journal (whole)","Dissertation / Thesis","text"]},{"key":"thesis:degree_discipline","label":"Discipline","values":["Physics"]},{"key":"thesis:degree_level","label":"Degree Level","values":["Dissertation"]},{"key":"thesis:degree_name","label":"Degree Name","values":["Ph.D."]}]},{"id":"subjects_keywords","label":"Subjects and Keywords","entries":[{"key":"dc:subject","label":"Dc Subject","values":["low temperature heat capacity","Helium 3","Helium 4","saturated vapor pressure"]}]},{"id":"language_rights","label":"Language and Rights","entries":[{"key":"dc:language","label":"Dc Language","values":["en"]},{"key":"dc:rights","label":"Dc Rights","values":["1966 William Ronald Roach"]}]},{"id":"identifiers","label":"Identifiers","entries":[{"key":"dc:identifier","label":"Identifier","values":["6117645","http://hdl.handle.net/2142/25069"]}]},{"id":"additional","label":"Additional Metadata","entries":[{"key":"dc:description","label":"Description","values":["Heat capacity measurements were made on two dilute solutions of 1iquid He3 in He4. These data, taken under saturated vapor o 0 pressure at temperatures between .005 K and .20 K, are characteristic of an ideal Fermi gas with m'l'< dependent only slightly on concentration. The solution with a molar concentration of Re3 of (1.32 ± .01)% had a degeneracy temperature of (.141 ± .002)oK and m*/m = 2.38 ±.04. For the solution with a (5.02 -+ .03)% concentration of He3 the degenetacy temperature was (.331 ± .004)oK while m*/m = 2,46 ± .04. The slight dependence of m* on concentration can be explained in, terms of the Landau theory of a Fermi liquid. The perturbation method, which Bardeen, Baym j and Pines used to determine an,effective potential v(q) between He 3 quasiparticles from later data on the magnetic properties of these solutions, was used to estimate the low temperature contribution of the He 3 quasipartic1es to the thermal conductivity and viscosity of dilute solutions.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-05-31T16:24:13Z No. of bitstreams: 1 1966_roach.pdf: 3061803 bytes, checksum: 92b7aaf71834c0720cfffd629470c731 (MD5)","Made available in DSpace on 2011-05-31T16:24:13Z (GMT). No. of bitstreams: 1 1966_roach.pdf: 3061803 bytes, checksum: 92b7aaf71834c0720cfffd629470c731 (MD5) Previous issue date: 1966","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-05-31T16:24:13Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:11:25-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"]},{"key":"dc:title","label":"Title","values":["Heat capacity of dilute solutions of liquid He[superscript 3] in He[superscript 4] at low temperatures"]}]}],"canonical_facts":{"dc:contributor":["Wheatley, J.C."],"dc:creator":["Roach, William Ronald"],"dc:date":["2011-05-31T16:24:13Z","10000-01-01","1966"],"dc:description":["Heat capacity measurements were made on two dilute solutions of 1iquid He3 in He4. These data, taken under saturated vapor o 0 pressure at temperatures between .005 K and .20 K, are characteristic of an ideal Fermi gas with m'l'< dependent only slightly on concentration. The solution with a molar concentration of Re3 of (1.32 ± .01)% had a degeneracy temperature of (.141 ± .002)oK and m*/m = 2.38 ±.04. For the solution with a (5.02 -+ .03)% concentration of He3 the degenetacy temperature was (.331 ± .004)oK while m*/m = 2,46 ± .04. The slight dependence of m* on concentration can be explained in, terms of the Landau theory of a Fermi liquid. The perturbation method, which Bardeen, Baym j and Pines used to determine an,effective potential v(q) between He 3 quasiparticles from later data on the magnetic properties of these solutions, was used to estimate the low temperature contribution of the He 3 quasipartic1es to the thermal conductivity and viscosity of dilute solutions.","Submitted by Carolyn Mead (cmead2@illinois.edu) on 2011-05-31T16:24:13Z No. of bitstreams: 1 1966_roach.pdf: 3061803 bytes, checksum: 92b7aaf71834c0720cfffd629470c731 (MD5)","Made available in DSpace on 2011-05-31T16:24:13Z (GMT). No. of bitstreams: 1 1966_roach.pdf: 3061803 bytes, checksum: 92b7aaf71834c0720cfffd629470c731 (MD5) Previous issue date: 1966","Item marked as restricted to the 'UIUC Users [automated]' Group (id=2) by Carolyn Mead (cmead2@illinois.edu) on 2011-05-31T16:24:13Z Item is restricted indefinitely.","Restriction data tranferred 2014-07-01T11:11:25-05:00 Original Data Group with Access UIUC Users [automated] Release Date: none Reason: Thesis","Thesis","U of I Only"],"dc:identifier":["6117645","http://hdl.handle.net/2142/25069"],"dc:language":["en"],"dc:rights":["1966 William Ronald Roach"],"dc:subject":["low temperature heat capacity","Helium 3","Helium 4","saturated vapor pressure"],"dc:title":["Heat capacity of dilute solutions of liquid He[superscript 3] in He[superscript 4] at low temperatures"],"dc:type":["Journal (whole)","Dissertation / Thesis","text"],"thesis:degree_discipline":["Physics"],"thesis:degree_level":["Dissertation"],"thesis:degree_name":["Ph.D."]},"updated_at":"2026-07-22T22:25:24Z"}