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Calculating energy shifts in terms of phase shifts
Zhenhua Yu, Gordon Baym, C. J. Pethick
To clarify the relation of energy shifts to scattering phase shifts in one-body and many-body problems, we examine their relation in a number of different situations. We derive, fo…
Short-range correlations and entropy in ultracold atomic Fermi gases
Zhenhua Yu, Georg M. Bruun, Gordon Baym
We relate short-range correlations in ultracold atomic Fermi gases to the entropy of the system over the entire temperature, , vs. coupling strength, , plane. In the lo…
Simulating dense QCD matter with ultracold atomic boson-fermion mixtures
Kenji Maeda, Gordon Baym, Tetsuo Hatsuda
We delineate, as an analog of two-flavor dense quark matter, the phase structure of a many-body mixture of atomic bosons and fermions in two internal states with a tunable boson-fe…
Two-slit diffraction with highly charged particles: Niels Bohr's consistency argument that the electromagnetic field must be quantized
Gordon Baym, Tomoki Ozawa
We analyze Niels Bohr's proposed two-slit interference experiment with highly charged particles that argues that the consistency of elementary quantum mechanics requires that the e…