Tuesday, March 29, 2022

Seminars Digest, Vol 42, Issue 5

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Today's Topics:

1. Colloquium Friday 01.04.2022 (Serge Krashakov)
2. Colloquium Friday 01.04.2022 10:00 (Уточнение!)
(Serge Krashakov)


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Message: 1
Date: Mon, 28 Mar 2022 19:50:22 +0300
From: Serge Krashakov <sakr@itp.ac.ru>
To: staff@itp.ac.ru, students@itp.ac.ru, seminars@itp.ac.ru
Subject: [Landau ITP Seminars] Colloquium Friday 01.04.2022
Message-ID: <23caa67e-4d1c-edac-a334-32bd9aa4d133@itp.ac.ru>
Content-Type: text/plain; charset="utf-8"; Format="flowed"

Уважаемые коллеги!

В пятницу 1 апреля в 11:30 состоится коллоквиум, на котором будет
заслушан доклад:

Dmitri K. Efetov (LMU Munich, Germany)
*Plethora of Many-Body Ground States in Magic Angle Twisted Bilayer
Graphene*

Twist-angle engineering of 2D materials has led to the recent
discoveries of novel many-body ground states in moiré systems such as
correlated insulators, unconventional superconductivity, strange metals,
orbital magnetism and topologically nontrivial phases. These systems are
clean and tuneable, where all phases can coexist in a single device,
which opens up enormous possibilities to address key questions about the
nature of correlation induced superconductivity and topology, and allows
to create entirely novel quantum phases with enhanced interactions. In
this talk we will introduce some of the main concepts underlying these
systems, concentrating on magic angle twisted bilayer graphene (MATBG)
and show how symmetry-broken states emerge at all integer electron
fillings [1]. We further will discuss recent experiments including
screened interactions [2], Chern insulators [4], magnetic Josephson
junctions [4], quantum criticality [5], re-entrant correlated insulators
at high magnetic fields [6] and discuss some of the avenues for novel
quantum sensing applications [7].

[1] Nature, 574, 653 (2019).
[2] Nature, 583, 375–378 (2020).
[3] Nature Physics, 17, 710 (2021).
[4] arXiv:2110.01067 (2021).
[5] arXiv:2108.07753 (2021).
[6] arXiv:2201.09260 (2021).
[7] arXiv:2111.08735 (2021).


ID и пароль онлайн-трансляции в Zoom те же, что и для предыдущих
трансляций докладов на Ученом совете:
https://zoom.us/j/96899364518?pwd=MzBsR2lYT0lYL2x2b1oyNU9LeWlWUT09
Meeting ID: 968 9936 4518
Пароль: 250319

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Message: 2
Date: Mon, 28 Mar 2022 22:46:01 +0300
From: Serge Krashakov <sakr@itp.ac.ru>
To: staff@itp.ac.ru, students@itp.ac.ru, seminars@itp.ac.ru
Subject: [Landau ITP Seminars] Colloquium Friday 01.04.2022 10:00
(Уточнение!)
Message-ID: <588a6078-a0c2-c691-2bab-5509312fdd2a@itp.ac.ru>
Content-Type: text/plain; charset="utf-8"; Format="flowed"

В программе на пятницу 1 апреля произошло небольшое изменение.
Заявленный доклад *состоится в **10:00* вместо объявленных ранее 11:30 !!!

28.03.2022 19:50, Serge Krashakov пишет:
> Уважаемые коллеги!
>
> В пятницу 1 апреля в 11:30 состоится коллоквиум, на котором будет
> заслушан доклад:
>
> Dmitri K. Efetov (LMU Munich, Germany)
> *Plethora of Many-Body Ground States in Magic Angle Twisted Bilayer
> Graphene*
>
> Twist-angle engineering of 2D materials has led to the recent
> discoveries of novel many-body ground states in moiré systems such as
> correlated insulators, unconventional superconductivity, strange
> metals, orbital magnetism and topologically nontrivial phases. These
> systems are clean and tuneable, where all phases can coexist in a
> single device, which opens up enormous possibilities to address key
> questions about the nature of correlation induced superconductivity
> and topology, and allows to create entirely novel quantum phases with
> enhanced interactions. In this talk we will introduce some of the main
> concepts underlying these systems, concentrating on magic angle
> twisted bilayer graphene (MATBG) and show how symmetry-broken states
> emerge at all integer electron fillings [1]. We further will discuss
> recent experiments including screened interactions [2], Chern
> insulators [4], magnetic Josephson junctions [4], quantum criticality
> [5], re-entrant correlated insulators at high magnetic fields [6] and
> discuss some of the avenues for novel quantum sensing applications [7].
>
> [1] Nature, 574, 653 (2019).
> [2] Nature, 583, 375–378 (2020).
> [3] Nature Physics, 17, 710 (2021).
> [4] arXiv:2110.01067 (2021).
> [5] arXiv:2108.07753 (2021).
> [6] arXiv:2201.09260 (2021).
> [7] arXiv:2111.08735 (2021).
>
>
> ID и пароль онлайн-трансляции в Zoom те же, что и для предыдущих
> трансляций докладов на Ученом совете:
> https://zoom.us/j/96899364518?pwd=MzBsR2lYT0lYL2x2b1oyNU9LeWlWUT09
> Meeting ID: 968 9936 4518
> Пароль: 250319
>
>
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