Seminar on Complex Quantum Systems

Group meeting and journal club, group of Boris Fine.

When: every Friday at 13:00

Where: ONLINE

The group meetings will proceed online until further notice!

Contact: Oleg Lychkovskiy (o.lychkovskiy@skoltech.ru)

Upcoming meetings:

July 24, 2020: Journal Club

Previous meetings (2020)

July 17, 2020: Tarek Elsayed, Entangled Quantum Dynamics of Many-Body Systems using Bohmian Trajectories
July 3, 2020: Article reviews:Asya Aristova, Robust superconductivity intertwined with charge density wave and disorder in Pd-intercalated ErTe3Igor Ermakov, Correspondence principle for many-body scars in ultracold Rydberg atoms
Egor Skorokhodov, Experimental Observation of Equilibrium and Dynamical Quantum Phase Transitions via Out-of-Time-Ordered Correlators

June 26, 2020: Journal Club
June 19, 2020: A. Aristova, Review of the paper Dynamical charge density fluctuations pervading the phase diagram of a Cu-based high-Tc superconductor
June 5, 2020: Journal Club
May 29, 2020: Journal Club
May 22, 2020: A. Rubtsov, Fluctuating local field method for finite Hubbard systems
May 15, 2020: Sophia Kokanova, Stability of antiferromagnetic domain walls in anisotropic Hubbard model; Egor Skorokhodov, Electron-spin echo envelope of NV-center in diamond
May 1, 2020: Journal Club
April 24, 2020: Oleg Lychkovskiy, Transport through a quantum point contact: unexpected results for an old problem
April 17, 2020: Journal Club
April 10, 2020: The bond-operator method
April 03, 2020: Journal Club
March 27, 2020: Journal Club
March 20, 2020: Boris Fine, Chaotic properties of spin lattices II
March 06, 2020: Boris Fine, Chaotic properties of spin lattices I
Feb 28, 2020: Journal Club
Feb 21, 2020: Roman Schutski, Neural networks for wave function simulations
Feb 14, 2020: Journal Club (speaker – Boris Fine, paper – “A Universal Operator Growth Hypothesis” by Parker et al., Phys. Rev. X 9, 041017 (2019))
Jan 31, 2020: Oleg Lychkovskiy, New class of solvable time-dependent Hamiltonians
Jan 24, 2020: Andrey Tarkhov, Negative temperatures, entropy growth, black holes and spin systems

Previous meetings (2019)

Dec 25, 2019: Anatoly Dymarsky, Euclidean operator growth and quantum chaos.
Dec 06, 2019: Journal Club
Nov 29, 2019: Igor Ermakov, Quantum scars: an overview
Nov 22, 2019: Asya Aristova, Overview of contributions of the Nobel Prize winner John B. Goodenough
Nov 15, 2019: Sofia Kokanova, Antiferromagnetic domain walls in Hubbard model
Nov 8, 2019: Andrey Tarkhov, 3D XY model with disorder: transient ordering in cooling quenches
Nov 1, 2019: Alexander Rozhkov , Non-linear absorption of light by a CDW insulator
Oct 21, 2019: Egor Skorokhodov, NV-centers: review
Oct 14, 2019: Vladimir Gritsev, Integrable Floquet dynamics
Oct 07, 2019: Boris Fine, news from the Simons Center workshop “Applications of random matrix theory to many-body physics”
Sept 23, 2019: Asya Aristova, Modelling superconductivity in cuprates in inhomogeneous electronic background
Sept 30, 2019: Grigory Starkov, Nuclear magnetic resonance: basics and applications
summer vacations
Jul 08, 2019: Boris Fine, Non-secular resonances under periodic driving
Jul 01, 2019: Alexander Rozhkov, Review of the XY model
Jun 17, 2019: Journal Club
May 27, 2019: Boris Fine, Attraction induced by mutual quantum measurements of velocity
May 20, 2019: Grigory Starkov, Hybrid quantum-classical method for simulating high-temperature dynamics of nuclear spins in solids
May 13, 2019: Journal Club
Apr 29, 2019: Journal Club
Apr 22, 2019: Andrey Tarkhov, Report on the current progress in simulations of quenches in the XY-model
Apr 15, 2019: Journal Club
Apr 08, 2019: Oleg Lychkovskiy, Adiabatic evolution in quantum many-body systems at a finite temperature
Feb 25, 2019: Journal Club
Feb 18, 2019: Egor Skorokhodov, Electron Spin-Echo envelope of NV-center in diamond
Jan 21, 2019: Andrey Tarkhov, Scientific news from Boston

Previous meetings (2018)

Dec 24, 2018: Maksym Serbyn — Kosterlitz-Thouless scaling at many-body localization phase transition
Dec 10, 2018: Igor Ermakov — Dynamical Bethe wave function for integrable models with small Hilbert spaces
Dec 03, 2018: Journal Club
Nov 26, 2018: Clemens Gneiting — Disorder-dressed evolution in edge-mode transport and beyond
Nov 19, 2018: Alexander Rozhkov — Biased twisted bilayer graphene: Magnetism and gap
Nov 12, 2018: Oleg Lychkovskiy — Entangling problem Hamiltonians for adiabatic quantum computation
Oct 29, 2018: Sofia Kokanova – Disorder correction to the Neel temperature of ruthenium-doped BaFe2As2: Theoretical analysis
Oct 22, 2018: Journal Club
Oct 15, 2018: Alfred Zong — Dynamical slowing down and nonequilibrium phase transitions
Oct 01, 2018: Andrey Tarkhov — results of ongoing research
Sept 24, 2018: Grigory Starkov — results of ongoing research
Sept 17, 2018: Asya Aristova — Two-component model of superconductivity in a checkerboard background

Previous meetings (2017)

22.12.2017 M. Cirio — probing the dressed structure of the light-matter ground state in the ultra-strong coupling regime, R. Stassi — quantum memory in the ultrastrong-coupling regime via parity symmetry breaking
08.12.2017 Peter Karpov — Modeling of the “hidden” state in 1T-TaS₂
31.10.2016 Walter Hahn — Quantum thermalization through entanglement in an isolated many-body system
07.11.2016 Andrey Tarkhov
14.11.2016 Oleg Lychkovskiy — Timescale for adiabaticity breakdown in driven many-body systems and orthogonality catastrophe
16.12.2016 MIT visitors — Open questions learned from the Gedik group
21.12.2016 (11 am – 13 am) Grigory Starkov — Floquet theory
09.01.2017 part 1: Grigory Starkov — Floquet theory 2, part 2: Journal Club
16.01.2017 Journal Club, order of presentation: Vlad, Andrey, Anastasia, Pavel
23.01.2017 Boris Fine — Negative Temperatures, Grigory Starkov — Volkov states
30.01.2017 Nikolay Pestovsky — Pulsed cathodoluminescence of solid oxides with low concentration of optically-active impurities
06.02.2017 Alexandr Korenkov — Single-Photon Source and Broadband Sample Holder in Microwave Region
13.02.2017 Journal Club
20.02.2017 Grigory Starkov — results of ongoing research
27.02.2017 Journal Club
06.03.2017 Alexander Rozhkov — Doped spin-density wave
13.03.2017 Journal Club
20.03.2017 Oleg Lychkovskiy — tba
22.03.2017 Zhanybek Alpichshev — Replica of Floquet bands (11 am in room 422)
27.03.2017 Journal Club
03.04.2017 Journal Club
10.04.2017 Vivek Bhartiya — Superconductivity model for a spin-vortex checkerboard
17.04.2017 Anastasia Aristova — Solution of the one-dimensional Heisenberg problem
24.04.2017 Ivan Oseledets — Transfer matrix method (begin at 16:00)
26.04.2017 Timm Rohwer — New ARPES results
27.04.2017 Transfer matrix method II
28.04.2017 Arseni Goussev — Rotating Gaussian wave packets in weak external potentials (CPQM seminar)
04.05.2017 Transfer matrix method III
15.05.2017 Patrick Navez — Expansion in large coordination number for the quantum Ising model
22.05.2017 Viatcheslav Dobrovitski — Pulse control of spins and photons for diamond-based quantum information processing and sensing (CPQM seminar)
24.05.2017 Viatcheslav Dobrovitski — Quantum spin diffusion
29.05.2017 Pavel Dolgirev — tba
22.06.2017 Journal Club
26.06.2017 Georgy Fedorov — Electronic transport and possible superconductivity at Van Hove singularities in carbon nanotubes (CPQM seminar)
21.08.2017 Walter Hahn — Thermalization as an Invisibility Cloak for Fragile Quantum Superpositions
28.08.2017 Oleg Lychkovskiy — Probing many-body dynamics with a 51-atom quantum simulator
04.09.2017 Andrei Tarkhov and Boris V. Fine — Loschmidt echo