Zero-temperature phase diagram of binary boson-fermion mixtures
L. Viverit (Oersted Lab., Univ. of Copenhagen), C. J. Pethick, (NORDITA), and H. Smith (Oersted Lab., Univ. of Copenhagen)
TL;DR
This paper explores the zero-temperature phase diagram of dilute boson-fermion mixtures, identifying stability conditions and possible phase coexistence scenarios in equilibrium.
Contribution
It provides a theoretical analysis of phase stability and coexistence in boson-fermion mixtures at zero temperature, linking stability to effective interactions.
Findings
Identifies three equilibrium phase configurations.
Derives linear stability conditions for mixtures.
Relates stability to boson-induced fermion interactions.
Abstract
We calculate the phase diagram for dilute mixtures of bosons and fermions at zero temperature. The linear stability conditions are derived and related to the effective boson-induced interaction between the fermions. We show that in equilibrium there are three possibilities: a) a single uniform phase, b) a purely fermionic phase coexisting with a purely bosonic one and c) a purely fermionic phase coexisting with a mixed phase.
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