Михаил Скворцов Институт теоретической физики им. Л. Д. Ландау РАН, Черноголовка Квантово-когерентные явления в неравновесных мезоскопических системах.

Презентация:



Advertisements
Похожие презентации
Derivative In calculus, a branch of mathematics, the derivative is a measure of how a function changes as its input changes. Loosely speaking, a derivative.
Advertisements

Suppression of surface barrier in ultrathin superconducting nanostructures by thermal fluctuations W. V. Pogosov Institute for Theoretical and Applied.
Thermal suppression of surface barrier in ultrasmall superconducting structures W. V. Pogosov Institute for Theoretical and Applied Electrodynamics, Russian.
1 Another useful model is autoregressive model. Frequently, we find that the values of a series of financial data at particular points in time are highly.
Correlation. In statistics, dependence refers to any statistical relationship between two random variables or two sets of data. Correlation refers to.
Electromagnetism. Electromagnetism is the branch of science concerned with the forces that occur between electrically charged particles. In electromagnetic.
VORTEX PHASES IN PERIODIC PLUS RANDOM PINNING POTENTIAL Walter Pogosov, Institute for Theoretical and Applied Electrodynamics, Russian Academy of Sciences,
Econometrics. Econometrics is "the application of mathematics and statistical methods to economic data" and described as the branch of economics "that.
Gradient In simple terms, the variation in space of any quantity can be represented (eg graphically) by a slope. The gradient represents the steepness.
Ministry of Education and Science of the Russian Federation State Educational Institution of Higher Professional Education National Research Tomsk Polytechnic.
S3-1 1 PAT325, Section 3, February 2004 Copyright 2004 MSC.Software Corporation SECTION 3 ELASTIC BEHAVIOR OF MATERIALS AND CLASSICAL LAMINATION THEORY.
S5-1 NAS122, Section 5, August 2005 Copyright 2005 MSC.Software Corporation SECTION 5 REDUCTION IN DYNAMIC ANALYSIS.
1 Model reduction and uniqueness of thermodynamic projector Alexander Gorban ETH Zurich, Switzerland, and Institute of Computational Modeling Russian Academy.
S1-1 NAS104, Section 1, March 2004 Copyright 2004 MSC.Software Corporation SECTION 1 OVERVIEW.
JINR Scientific Traditions & New State of Matter Fluctons (M.Mescheriakov, D.Blokhintsev) New quantum number – color (N.Bogolubov, B.Struminsky, A.Tavkhelidze)
BREAKDOWN OF VORTEX-FREE STATE IN BEC BY VORTEX-ANTIVORTEX PAIRS W. V. Pogosov and K. Machida Department of Physics, Okayama University, Japan.
Using method equal square triangle" for calculation of nucleus temperature and energy levels density, taking into account vibrational states in the frame.
Time-Series Analysis and Forecasting – Part IV To read at home.
PULSE REPETITION RATE OPTMIZATION IN SLR STATIONS TO PROVIDE MINIMUM SYSTEMATIC ERROR OF RANGING M.A. Sadovnikov M.A. Sadovnikov Institute for Precision.
S13-1 NAS122, Section 13, August 2005 Copyright 2005 MSC.Software Corporation SECTION 13 ENFORCED MOTION.
Транксрипт:

Михаил Скворцов Институт теоретической физики им. Л. Д. Ландау РАН, Черноголовка Квантово-когерентные явления в неравновесных мезоскопических системах (функциональные методы теории) Научная школа по нанофизике и наноэлектронике Черноголовка, 2012

Мезоскопические системы

Квантовая точка в переменном поле

План курса

Лекция 1

Квантовая точка

Описание изолированной КТ

Interaction in a closed QD

Random Matrix Theory

RMT: Average DOS (1)

RMT: Average DOS (2) Wigner semicircle

RMT: Mathematical approach

RMT: Pair correlation function

RMT: Why do levels repel?

Parametric level statistics

Route to time-dependent random matrices

What is to look for?

Two basic quantum phenomena

Two regimes of dissipation

Dissipation in the Kubo regime

Dissipation in the adiabatic regime

Linear response? NO linear response in a closed system!

Linear perturbation: summary

Localization in the energy space

Квантовые интерференционные эффекты

Localization in Quantum Kicked Rotor

The model DISORDER + KINETICS = ???

…

The model DISORDER + KINETICS = ???

Лекция 2

Слабая локализация

Diffusons & cooperons R A R A

Weak localization (no magnetic field) R A RR AA RA R A A R

Weak localization (in magnetic field) R A R A 3 R R A A A R A R A R A 3 R A R A A R A R A R R R R R A AA A R A R A R A R 5 A 56 R

Nonlinear -models

Zoology of -models

SUSY -model in 0D: reduction to RMT

Parametrizations

Keldysh -model

Quantum kinetic equation

Q: where is the Adiabatic regime? Q: where is dynamic localization? A: Fluctuations near the saddle point

Elimination of the distribution function

Structure of the Q-manifold

Diffusons & cooperons R A R A

Soft modes: diffusons and cooperons

One-loop quantum correction (GOE)

Linear perturbation

Linear perturbation: GOE, one loop

Linear perturbation: GUE, two loops

GUE, linear perturbation, four loops

Features of the unitary symmetry

Linear perturbation: Summary

Periodic perturbation

Result for a periodic perturbation (GOE)

Weak dynamic localization (GOE)

Экспериментальные следствия

Слабая динамическая локализация

Влияние декогерентности

e-e взаимодействие в изолированной КТ

Как быть?

Открытая точка + кулоновская блокада

Плато в зависимости кондактанса от U

А может быть, оптикой?

Выводы Что дальше?

Слайды, не вошедшие в лекцию

Derivation of the Keldysh -model (0/6)

Derivation of the Keldysh -model (1/6)

Derivation of the Keldysh -model (2/6)

Derivation of the Keldysh -model (3/6)

Derivation of the Keldysh -model (4/6)

Derivation of the Keldysh -model (5/6)

Derivation of the Keldysh -model (6/6)