21 citations · 23 across the 2 of their papers we have counts for
6 papers
Critical anomalous metals near superconductivity in models with random interactions
Chenyuan Li, Darshan G. Joshi, Subir Sachdev
Anomalous metals are observed in numerous experiments on disordered two-dimensional systems proximate to superconductivity. A characteristic feature of an anomalous metal is that i…
Metal-insulator transition in a random Hubbard model
Grigory Tarnopolsky, Chenyuan Li, Darshan G. Joshi +1
We examine the metal-insulator transition in a half-filled Hubbard model of electrons with random and all-to-all hopping and exchange, and an on-site non-random repulsion, the Hubb…
Deconfined critical point in a doped random quantum Heisenberg magnet
Darshan G. Joshi, Chenyuan Li, Grigory Tarnopolsky +2
We describe the phase diagram of electrons on a fully connected lattice with random hopping, subject to a random Heisenberg spin exchange interactions between any pair of sites and…
Symmetry-enforced band crossings in trigonal materials: Accordion states and Weyl nodal lines
Y. -H. Chan, Berkay Kilic, Moritz M. Hirschmann +4
Nonsymmoprhic symmetries, such as screw rotations or glide reflections, can enforce band crossings within high-symmetry lines or planes of the Brillouin zone. When these band degen…
Topological quantum paramagnet in a quantum spin ladder
Darshan G. Joshi, Andreas P. Schnyder
It has recently been found that bosonic excitations of ordered media, such as phonons or spinons, can exhibit topologically nontrivial band structures. Of particular interest are m…
Quantum Hertz entropy increase in a quenched spin chain
Darshan G. Joshi, Michele Campisi
The classical Hertz entropy is the logarithm of the volume of phase space bounded by the constant energy surface; its quantum counterpart, the quantum Hertz entropy, is $\hat S = k…