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PERIMETER INSTITUTE RECORDED SEMINAR ARCHIVE

Displaying all lectures given by: Rakesh Tiwari


PIRSA:18110033  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2018/2019 - Condensed Matter - Lecture 15
Speaker(s): Rakesh Tiwari
Abstract:

Quantum Hall Effect

Date: 30/11/2018 - 10:45 am

PIRSA:18110032  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2018/2019 - Condensed Matter - Lecture 14
Speaker(s): Rakesh Tiwari
Abstract:

Quantum Hall Effect

Date: 29/11/2018 - 10:45 am

PIRSA:18110031  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2018/2019 - Condensed Matter - Lecture 13
Speaker(s): Rakesh Tiwari
Abstract:

Quantum Hall Effect

Date: 28/11/2018 - 10:45 am

PIRSA:18110030  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2018/2019 - Condensed Matter - Lecture 12
Speaker(s): Rakesh Tiwari
Abstract:

BSC theory; Quantum Hall Effect

Date: 27/11/2018 - 10:45 am

PIRSA:18110029  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2018/2019 - Condensed Matter - Lecture 11
Speaker(s): Rakesh Tiwari
Abstract:

BSC theory; Kubo formula

Date: 26/11/2018 - 10:45 am

PIRSA:18110028  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2018/2019 - Condensed Matter - Lecture 10
Speaker(s): Rakesh Tiwari
Abstract:

BSC theory

Date: 23/11/2018 - 10:45 am

PIRSA:18110027  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2018/2019 - Condensed Matter - Lecture 9
Speaker(s): Rakesh Tiwari
Abstract:

Electron-phonon interactions; Schaefer-Wolff transformation; Attractive interactions between electrons mediated by phonons; experimental evidence of superconductivity, Cooper problem. 

Date: 22/11/2018 - 10:45 am

PIRSA:18110026  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2018/2019 - Condensed Matter - Lecture 8
Speaker(s): Rakesh Tiwari
Abstract:

Quantum theory of phonons; Debye Model; electron-phoning interactions.

Date: 21/11/2018 - 10:45 am

PIRSA:18110025  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2018/2019 - Condensed Matter - Lecture 7
Speaker(s): Rakesh Tiwari
Abstract:

Stoner model for ferromagnetism (Hubbard model); magnetic polarization; accoustic and optical phonons.

Date: 20/11/2018 - 10:45 am

PIRSA:18110024  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2018/2019 - Condensed Matter - Lecture 6
Speaker(s): Rakesh Tiwari
Abstract:

Hartree and Hartree-Fock equations; Self-energy; Screening (Yukawa potential); Stoner model for ferromagnetism (Hubbard model).

Date: 19/11/2018 - 10:45 am

PIRSA:18110023  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2018/2019 - Condensed Matter - Lecture 5
Speaker(s): Rakesh Tiwari
Abstract:

Peierl's theorem; Fermi surface; relative importance of average KE vs. average PE; density of states; Mean Field Theory.

Date: 16/11/2018 - 10:45 am

PIRSA:18110022  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2018/2019 - Condensed Matter - Lecture 4
Speaker(s): Rakesh Tiwari
Abstract:

Tight binding model; Nearly free electrons (unperterbed solution, zone folding, brief discussion of unperturbed solution).

Date: 15/11/2018 - 10:45 am

PIRSA:18110021  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2018/2019 - Condensed Matter - Lecture 3
Speaker(s): Rakesh Tiwari
Abstract:

Electrons in a periodic potential; Bravais lattice; Bloch's theorem; FIrst Brillouin Zone; Intro to nearly free electrons and tight binding model.

Date: 14/11/2018 - 10:45 am

PIRSA:18110020  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2018/2019 - Condensed Matter - Lecture 2
Speaker(s): Rakesh Tiwari
Abstract:

Hamiltonian in second quantization.

Date: 13/11/2018 - 10:45 am

PIRSA:18110019  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2018/2019 - Condensed Matter - Lecture 1
Speaker(s): Rakesh Tiwari
Abstract:

Motivation; single-particle Schroedinger Eqn; N particles; symmetrizaion/anti-symmetrization; second quantization; Fock space.

Date: 12/11/2018 - 10:45 am

PIRSA:17110040  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2017/2018 - Condensed Matter - Lecture 15
Speaker(s): Rakesh Tiwari
Abstract:

Quantized Hall conductance, Landau levels for graphene

Date: 24/11/2017 - 10:45 am

PIRSA:17110039  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2017/2018 - Condensed Matter - Lecture 14
Speaker(s): Rakesh Tiwari
Abstract:

Landau levels, fractional quantum Hall effect and composite fermions, quantized Hall conductance

Date: 23/11/2017 - 10:45 am

PIRSA:17110038  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2017/2018 - Condensed Matter - Lecture 13
Speaker(s): Rakesh Tiwari
Abstract:

BCS bogoliubon excitations, quantum Hall effect (QHE) and Landau levels (QHE handout)

Date: 22/11/2017 - 10:45 am

PIRSA:17110037  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2017/2018 - Condensed Matter - Lecture 12
Speaker(s): Rakesh Tiwari
Abstract:

BCS ground state, BCS excitations from mean-field theory

Date: 21/11/2017 - 10:45 am

PIRSA:17110036  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2017/2018 - Condensed Matter - Lecture 11
Speaker(s): Rakesh Tiwari
Abstract:

The Cooper problem, BCS theory

Date: 20/11/2017 - 10:45 am

PIRSA:17110035  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2017/2018 - Condensed Matter - Lecture 10
Speaker(s): Rakesh Tiwari
Abstract:

Stoner model for ferromagnetism, goals of the BCS theory of superconductivity, the Cooper problem

Date: 17/11/2017 - 10:45 am

PIRSA:17110034  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2017/2018 - Condensed Matter - Lecture 9
Speaker(s): Rakesh Tiwari
Abstract:

Mean field theory, Hartree-Fock approximation, screening, Stoner model for ferromagnetism

Date: 16/11/2017 - 10:45 am

PIRSA:17110033  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2017/2018 - Condensed Matter - Lecture 8
Speaker(s): Rakesh Tiwari
Abstract:

Electron-phonon interactions, Schrieffer-Wolff transformation

Date: 15/11/2017 - 10:45 am

PIRSA:17110032  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2017/2018 - Condensed Matter - Lecture 7
Speaker(s): Rakesh Tiwari
Abstract:

Classical description of phonons, quantum theory of phonons, Debye model

Date: 14/11/2017 - 10:45 am

PIRSA:17110031  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2017/2018 - Condensed Matter - Lecture 6
Speaker(s): Rakesh Tiwari
Abstract:

Jellium model, Hartree and Fock terms, density of states, jellium oscillations and Einstein phonons

Date: 13/11/2017 - 10:45 am

PIRSA:17110030  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2017/2018 - Condensed Matter - Lecture 5
Speaker(s): Rakesh Tiwari
Abstract:

Perturbation theory for nearly-free electrons, Peierl's theorem, electron-electron interactions, jellium model

Date: 10/11/2017 - 10:45 am

PIRSA:17110029  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2017/2018 - Condensed Matter - Lecture 4
Speaker(s): Rakesh Tiwari
Abstract:

First Brillouin zone, tight-binding model, nearly-free electrons

Date: 09/11/2017 - 10:45 am

PIRSA:17110028  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2017/2018 - Condensed Matter - Lecture 3
Speaker(s): Rakesh Tiwari
Abstract:

Bravais lattices, reciprocal lattices, electrons in a periodic potential, Bloch's theorem

Date: 08/11/2017 - 10:45 am

PIRSA:17110027  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2017/2018 - Condensed Matter - Lecture 2
Speaker(s): Rakesh Tiwari
Abstract:

Fock space, creation and annihilation operators, one- and two-particle operators in second quantization

Date: 07/11/2017 - 10:45 am

PIRSA:17110026  ( MP4 Medium Res , MP3 , PDF ) Which Format?
PSI 2017/2018 - Condensed Matter - Lecture 1
Speaker(s): Rakesh Tiwari
Abstract:

First quantization for many-particle systems, Slater determinants and permanents

Date: 06/11/2017 - 10:45 am
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