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Resonant Fermi Gases with a Large Effective Range
Open accessAbstract
We calculate the equation of state of a Fermi gas with resonant interactions when the effective range is appreciable. Using an effective field theory for a large scattering length and large effective range, we show how calculations in this regime become tractable. Our results are model independent, and as an application, we study the neutron matter equation of state at low densities of astrophysical interest 0.002 fm(-3) < rho < 0.02 fm(-3), for which the interparticle separation is comparable to the effective range. We compare our simple results with those of conventional many-body calculations.
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Citations
Cited by
Modern theory of nuclear forces
Epelbaum, E., Hammer, H.-W., & Meißner, U.-G. (2009) · Reviews of Modern Physics · doi:10.1103/revmodphys.81.1773 · Cited by 1,883
Neutron Matter at Next-to-Next-to-Next-to-Leading Order in Chiral Effective Field Theory
Tews, I., Krüger, T., Hebeler, K., & Schwenk, A. (2013) · Physical Review Letters · doi:10.1103/physrevlett.110.032504 · Cited by 409
Self-citationQuantum Monte Carlo Calculations with Chiral Effective Field Theory Interactions
Gezerlis, A., Tews, I., Epelbaum, E., Gandolfi, S., Hebeler, K., Nogga, A., & Schwenk, A. (2013) · Physical Review Letters · doi:10.1103/physrevlett.111.032501 · Cited by 317
Self-citationThe BCS–BEC crossover: From ultra-cold Fermi gases to nuclear systems
Strinati, G. C., Pieri, P., Röpke, G., Schuck, P., & Urban, M. (2018) · Physics Reports · doi:10.1016/j.physrep.2018.02.004 · Cited by 264
Metadata
- Authors
- Schwenk, A., & Pethick, C. J.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2005-10-10
- Volume
- 95
- Issue
- 16
- Pages
- 160401-160401
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W1977357795
- Cited by
- 167
- References
- 0
- FWCI
- 4.30
- Type
- journal article
- Language
- en
- Open access
- green
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