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)

  • 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)


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