131 citations · 333 across the 20 of their papers we have counts for
21 papers
Metamagnetism in UTe2: the roles of itinerancy and localization
Theodore I. Weinberger, Daniel Shaffer, Zheyu Wu +12
The metamagnetic transition in UTe plays a key role in stabilizing two enigmatic field-induced superconducting phases. One of these phases (SC2) is truncated by the transition,…
Giant nonlinear conductivity in 2D electron gas from substrate-induced dipolar scattering
Dmitry V. Chichinadze, Alexander Seidel, Zohar Nussinov
Despite a surge of interest in the nonlinear transport in 2D materials, a fundamental puzzle remains: existing theoretical frameworks are unable to quantitatively account for the g…
Electrically-controllable superconducting memory effect in UTe2
Zheyu Wu, Hanyi Chen, Mengmeng Long +13
If a computer could be assembled from superconducting components, the energy efficiency would far surpass that of conventional electronics. Historic research efforts towards this g…
Upper critical in-plane magnetic field in quasi-2D layered superconductors
Huiyang Ma, Dmitry V. Chichinadze, Cyprian Lewandowski
The study of the interplay of applied external magnetic field and superconductivity has been invigorated by recent works on Bernal bilayer and rhombohedral multilayer graphene. The…
Weak localization and antilocalization corrections to nonlinear transport: a semiclassical Boltzmann treatment
Dmitry V. Chichinadze
The nonlinear transport regime is manifested in the nonlinear current-voltage characteristic of the system. An example of such a nonlinear regime is a setup in which current is inj…
g-Factor Enhanced Upper Critical Field in Superconducting PdTe2 due to Quantum Confinement
Kota Yoshimura, Tzu-Chi Hsieh, Huiyang Ma +14
The Pauli limiting field of superconductors determines the maximal possible value of magnetic field at which superconductivity remains possible. For weak-coupling superconductors,…
Re-entrant unconventional superconductivity induced by rare-earth substitution in Nd1-xEuxNiO2 thin films
Dung Vu, Hangoo Lee, Daniele Nicoletti +17
High temperature superconductivity is typically associated with strong coupling and a large superconducting gap, yet these characteristics have not been demonstrated in the nickela…
Metamagnetic ripples in the UTe2 high magnetic field phase diagram
Zheyu Wu, Hanyi Chen, Mengmeng Long +11
The heavy fermion metamagnet uranium ditelluride possesses two distinct magnetic field--induced superconducting states. One of these superconductive phases resides at magnetic fiel…
Observation of giant nonlinear Hall conductivity in Bernal bilayer graphene
Dmitry V. Chichinadze, Naiyuan James Zhang, Jiang-Xiazi Lin +6
In a system of two-dimensional electrons, a combination of broken symmetry, interactions, and nontrivial topology can conspire to give rise to a nonlinear transport regime, where e…
Superconducting Diode Effect in Multiphase Superconductors
Daniel Shaffer, Dmitry V. Chichinadze, Alex Levchenko
We identify a new mechanism for the intrinsic superconducting diode effect (SDE) in multiphase superconductors. Using a Ginzburg-Landau and a microscopic two-band model, we find ph…
The Crossover from Ordinary to Higher-Order van Hove Singularity in a Honeycomb System: A Parquet Renormalization Group Analysis
Yueh-Chen Lee, Dmitry V. Chichinadze, Andrey V. Chubukov
We investigate the crossover from an ordinary van Hove singularity (OVHS) to a higher order van Hove singularity (HOVHS) in a model applicable to Bernal bilayer graphene and rhombo…
Enhanced triplet superconductivity in next generation ultraclean UTe2
Z. Wu, T. I. Weinberger, J. Chen +17
The unconventional superconductor UTe exhibits numerous signatures of spin-triplet superconductivity -- a rare state of matter which could enable quantum computation protected…
Cascade of transitions in twisted and non-twisted graphene layers within the van Hove scenario
Dmitry V. Chichinadze, Laura Classen, Yuxuan Wang +1
Motivated by measurements of compressibility and STM spectra in twisted bilayer graphene, we analyze the pattern of symmetry breaking for itinerant fermions near a van Hove singula…
Chiral Superconductivity in UTe via Emergent Symmetry and Spin Orbit Coupling
Daniel Shaffer, Dmitry Chichinadze
A lot of attention has been drawn to superconductivity in UTe, with suggestions of time-reversal symmetry breaking triplet chiral superconducting order parameter. The chirality…
SU(4) symmetry in twisted bilayer graphene - an itinerant perspective
Dmitry V. Chichinadze, Laura Classen, Yuxuan Wang +1
We study symmetry-broken phases in twisted bilayer graphene at small filling above charge neutrality and at Van Hove filling. We argue that the Landau functionals for the particle-…
Valley magnetism, nematicity, and density wave orders in twisted bilayer graphene
Dmitry V. Chichinadze, Laura Classen, Andrey V. Chubukov
We analyze density-wave and Pomeranchuk orders in twisted bilayer graphene. This compliments our earlier analysis of the pairing instabilities. We assume that near half-filling of…
Nematic superconductivity in twisted bilayer graphene
Dmitry V. Chichinadze, Laura Classen, Andrey V. Chubukov
Twisted bilayer graphene displays insulating and superconducting phases caused by exceptional flattening of its lowest energy bands. Superconductivity with highest appears at…
Specific heat in strongly hole-doped Iron-based superconductors
Dmitry V. Chichinadze, Andrey V. Chubukov
We compute the specific heat in an Fe-based superconductor with only hole pockets. We use a three-orbital/three pocket model with two smaller hole pockets made out of $d_{xz…
Winding numbers of nodal points in Fe-based superconductors
Dmitry V. Chichinadze, Andrey V Chubukov
We analyze the nodal points in multi-orbital Fe-based superconductors from a topological perspective. We consider the gap structure with accidental nodes, and the -wave…
Critical behavior at dynamical phase transition in the generalized Bose-Anderson model
Dmitry V. Chichinadze, Alexey N. Rubtsov
Critical properties of the dynamical phase transition in the quenched generalized Bose-Anderson impurity model are studied in the mean-field limit of an infinite number of channels…
Transient phases and dynamical transitions in the post quench evolution of the generalized Bose-Anderson model
Dmitry V. Chichinadze, Pedro Ribeiro, Yulia E. Shchadilova +1
The exact description of the time evolution of open correlated quantum systems remains one of the major challenges of the condensed matter theory, specially for asymptotic long tim…