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Condensed Matter Events

Spring 2022

January 21, 2022 4:00 pm – 5:00 pm (CDT) MIST M102
OPEN

Speaker: TBA

January 28, 2022 4:00 pm – 5:00 pm (CDT) MIST M102
OPEN

Speaker: TBA

February 4, 2022 4:00 pm – 5:00 pm (CDT) MIST M102
OPEN

Speaker: TBA

Viscous electronics.
February 11, 2022 4:00 pm – 5:00 pm (CDT) MIST M102
Viscous electronics.

Speaker: Gregory Falkovich (Weizmann)Host: A. Finkelstein

Abstract: Quantum-critical strongly correlated systems feature universal collision-dominated collective transport. Viscous electronics is an emerging field dealing with systems in which strongly interacting electrons flow like a fluid. Such flows have some remarkable properties never seen before. I shall describe some recent theoretical and experimental works devoted, in particular, to [...]
February 18, 2022 4:00 pm – 5:00 pm (CDT) MIST M102
OPEN

Speaker: TBA

CANCELED
February 25, 2022 4:00 pm – 5:00 pm (CDT) MIST M102
CANCELED

Speaker: Vedika Khemani (Stanford)

Limit shape phase transitions
March 4, 2022 4:00 pm – 5:00 pm (CDT) MIST M102
Limit shape phase transitions

Speaker: Alexander Abanov (Stony Brook)Host: Ar. Abanov

A limit shape phenomenon in statistical mechanics is the appearance of a most probable macroscopic state. This state is usually characterized by a well-defined boundary separating frozen and liquid spatial regions. The earliest studies related to this phenomenon in crystal shapes are in works by Pokrovsky and Talapov. We will [...]
March 11, 2022 4:00 pm – 5:00 pm (CDT) MIST M102
OPEN

Speaker: TBA

March 18, 2022 4:00 pm – 5:00 pm (CDT) MIST M102
Symmetry-enabled topological excitations in 2D materials
March 25, 2022 4:00 pm – 5:00 pm (CDT) MIST M102
Symmetry-enabled topological excitations in 2D materials

Speaker: Hanyu Zhu (Rice University)Host: Ar. Abanov

The strong coupling between electron, lattice, and spin degrees of freedom in two-dimensional (2D) systems, especially van der Waals materials in the monolayer limit, leads to unique light-matter interaction properties. The symmetry of the 2D lattices plays an important role in many such properties. For example, the 2D honeycomb lattice [...]
April 2, 2022 4:00 pm – 5:00 pm (CDT) MIST M102
Charge density waves emerging from strong correlations in high-Tc superconductors.
April 8, 2022 4:00 pm – 5:00 pm (CDT) MIST M102
Charge density waves emerging from strong correlations in high-Tc superconductors.

Speaker: Eduardo da Silva Neto (Yale)Host: Ar. Abanov

In strongly correlated systems the strength of Coulomb interactions between electrons, relative to their kinetic energy, plays a central role in determining their emergent quantum many-body phases. In one manifestation of these correlations the electrons self-organize into periodic patterns known as charge density waves (CDW) or charge order. However, the [...]
Skyrmion-electron bound states in a N\'eel antiferromagnet
April 15, 2022 4:00 pm – 5:00 pm (CDT) MIST M102
Skyrmion-electron bound states in a N\’eel antiferromagnet

Speaker: Revaz Ramazashvili (Université Paul Sabatier)

We show that, in a N\'eel antiferromagnet with a particular location of electron band extrema, a Skyrmion and an electron form a bound state with energy of the order of the gap $\Delta$ in the electron spectrum. The bound state turns the Skyrmion into a charged particle that can be [...]
Classical Shadow Tomography with Locally Scrambled Quantum Dynamics
April 22, 2022 4:00 pm – 5:00 pm (CDT) MIST M102
Classical Shadow Tomography with Locally Scrambled Quantum Dynamics

Speaker: Yi-Zhuang You (University of California, San Diego)Host: Ar. Abanov

Quantum state tomography is an essential task in quantum information processing, which aims to reconstruct an unknown quantum state from data collected from repeated measurements. Classical shadow tomography is recently proposed as efficient quantum state tomography approach based on randomized measurements. We generalize the classical shadow tomography scheme to a [...]
Breakdown of hydrodynamics and emergence of universality in far-from-equilibrium regimes
April 29, 2022 4:00 pm – 5:00 pm (CDT) MIST M102
Breakdown of hydrodynamics and emergence of universality in far-from-equilibrium regimes

Speaker: Joaquin Rodriguez-Nieva (Stanford, TAMU)Host: Ar. Abanov

Hydrodynamics is a universal theory of thermalization in chaotic many-body systems, both classical and quantum. It is minimally described by symmetries and conservation laws under the assumption of local thermodynamic equilibrium. Despite its universal character, there are many important scenarios in which the usual hydrodynamic picture can break down, giving [...]
Searching for superconductors with Majorana corner modes
May 23, 2022 4:00 pm – 5:00 pm (CDT) MIST M102
Searching for superconductors with Majorana corner modes

Speaker: Yi-Ting Hsu (Notre Dame)Host: Shenglong Xu

The material search for topological superconductors is fueled by the prediction of Majorana zero modes (MZM), which are exotic boundary excitations that are candidates for topological qubits. Yet, materials hosting topological superconductivity with MZMs are still rare to date. In this talk, I will theoretically show that monolayer WTe2 and three-dimensional MoTe2 [...]

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