1 citations · 1 across the 4 of their papers we have counts for
9 papers
Avoided Stoner instability at a single ordinary Van Hove point
I. S. Tupitsyn, B. Currie, A. V. Chubukov +3
When the Fermi surface and the Brillouin zone boundary touch at a Van Hove point, mean-field analysis predicts a ferromagnetic (Stoner) instability at finite for any coupl…
Low-temperature Depletion of Superfluid Density in the Absence of Galilean Symmetry
Viktor Berger, Nikolay Prokof'ev, Boris Svistunov
Landau theory of superfluidity associates low-temperature flow of the normal component with the phonon wind. This picture does not apply to superfluids in which Galilean invariance…
"Depletion" of Superfluid Density: Universal Low-temperature Thermodynamics of Superfluids
Viktor Berger, Nikolay Prokof'ev, Boris Svistunov
In a Galilean superfluid, the depletion of superfluid density with rising temperature can be attributed to thermally excited non-interacting phonons. For systems without Galilean s…
Numerically Exact Study of Flat-Band Superconductivity
I. S. Tupitsyn, B. Currie, B. V. Svistunov +2
Current theories of high-temperature superconductivity in flat-band systems predict a linear dependence of the transition temperature on the attractive interaction, …
Superconductivity in Electron Liquids: Precision Many-Body Treatment of Coulomb Interaction
Xiansheng Cai, Tao Wang, Shuai Zhang +5
More than a century after discovery, the theory of conventional superconductivity remains incomplete. While the importance of electron-phonon coupling is understood, a controlled f…
Strange diffusivity of incoherent metal in half-filled two-dimensional Hubbard model
Youngmin Eom, Igor S. Tupitsyn, Nikolay V. Prokof'ev +3
We study charge transport across the metal-insulator crossover in the half-filled two-dimensional Hubbard model, with particular emphasis on precision control. The dynamic current-…