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cond-mat.quant-gas2023
Scattering off a junction
Eric Tan, R. Ganesh
Scattering off a potential is a fundamental problem in quantum physics. It has been studied extensively with amplitudes derived for various potentials. In this article, we explore…
cond-mat.quant-gas2013★ 19 cited
The Higgs mode in a superfluid of Dirac fermions
Shunji Tsuchiya, R. Ganesh, Tetsuro Nikuni
We study the Higgs amplitude mode in the s-wave superfluid state on the honeycomb lattice inspired by recent cold atom experiments. We consider the attractive Hubbard model and foc…
cond-mat.quant-gas2012★ 10 cited
Superfluidity of Dirac Fermions in a Tunable Honeycomb Lattice: Cooper Pairing, Collective Modes, and Critical Currents
Shunji Tsuchiya, R. Ganesh, Arun Paramekanti
Motivated by recent experiments on atomic Dirac fermions in a tunable honeycomb optical lattice, we study the attractive Hubbard model of superfluidity in the anisotropic honeycomb…