activity
19952026
most citedCounterflow Superfluidity of Two-Species Ultracold Atoms in a Commensurate Optical Lattice

495 citations · 10.3k across the 161 of their papers we have counts for

collaborators

161 papers

cond-mat.quant-gas2026

Borromean Criticality in Two Dimensions

Alexandru Golic, Igor Timoshuk, Albert Samoilenka +2

The characteristic feature of counterflow superfluids consisting of components -- the so-called Borromean supercounterfluids (BSCF) -- is the presence of distinct ele…

cond-mat.supr-con2026

Emergent BEC mechanism in flat-band superconductors

V. Berger, I. S. Tupitsyn, B. Currie +3

The formation of bound bosonic pairs of fermions, followed by their Bose-Einstein (quasi) condensation (BEC), is a foundational mechanism of superconductivity. At low filling, flat…

cond-mat.str-el2026

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…

cond-mat.quant-gas2026★ 1 cited

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…

cond-mat.supr-con2026

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, …

cond-mat.supr-con2026

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…