Nondissipative electron transport in photon-dressed nanostructures

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Nov 16, 2013 (3 years and 8 months ago)

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Nondissipative

electron transport in
photon
-
dressed
nanostructures


O.V. Kibis


Novosibirsk State Technical University, Russia

Effect Rabi

Isidor Isaac Rabi

Nobel Prize in Physics
(1944
)

a
t
C
b
t
C
a
b
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(
)
(



I. Rabi,
Phys. Rev.

51
,

562 (1937).



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sin
0
E
E


ab
R
d
E
0


1



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O.V. Kibis Nondissipative electron transport in photon
-
dressed nanostructures

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/
0
2
sin
)
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2
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0
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cos
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Quantum optics of field
-
dressed nanostructures


O.V. Kibis, G.Ya. Slepyan, S.A. Maksimenko, A. Hoffmann “Matter
coupling to strong electromagnetic fields in two
-
level quantum systems
with broken inversion symmetry”


Physical Review Letters
102
, 023601
(2009).



O.V. Kibis “Metal
-
insulator transition in graphene induced by circularly
polarized photons”


Physical Review B
81
, 165433 (2010).



O.V. Kibis, O. Kyriienko, I.A. Shelykh “Band gap in graphene induced by
vacuum fluctuations”


Physical Review B
84
, 195413 (2011).



O.V. Kibis Nondissipative electron transport in photon
-
dressed nanostructures

O.V. Kibis Nondissipative electron transport in photon
-
dressed nanostructures

The classical
-
field Hamiltonian of a quantum wire

O.V. Kibis Nondissipative electron transport in photon
-
dressed nanostructures

The quantum
-
field Hamiltonian of a quantum wire

O.V. Kibis Nondissipative electron transport in photon
-
dressed nanostructures

O.V. Kibis Nondissipative electron transport in photon
-
dressed nanostructures

A quantum ring dressed by circularly polarized photons

O.V. Kibis Nondissipative electron transport in photon
-
dressed nanostructures

The full energy of the electron
-
photon system

O.V. Kibis Nondissipative electron transport in photon
-
dressed nanostructures

The energy spectrum of field
-
dressed electrons in the quantum ring

O.V. Kibis Nondissipative electron transport in photon
-
dressed nanostructures

The energy spectrum of electrons in the quantum ring dressed by the quantized

circularly polarized field (heavy lines) and without the field (thin lines).

The nondissipative current
j

corresponds to the filled states (
↑↓
)

O.V. Kibis Nondissipative electron transport in photon
-
dressed nanostructures

A quantum helix subjected to a circularly polarized field

The Hamiltonian of the field
-
dressed helix

O.V. Kibis Nondissipative electron transport in photon
-
dressed nanostructures

The energy spectrum of electrons in the quantum helix dressed by the quantized circularly
polarized field (heavy lines) and without the field (thin lines). The nondissipative current

j

correspond to the filled states lying under the Fermi energy
μ
.

The theory of resonant interaction of electromagnetic fields with semiconductors

O.V. Kibis Nondissipative electron transport in photon
-
dressed nanostructures

Виктор Михайлович Галицкий

(1924
-
1981)

В.М. Галицкий, С.П. Гореславский, В.Ф. Елесин,

ЖЭТФ
57
, 207 (1969).


В.М. Галицкий, В.Ф. Елесин «Резонансное взаимодействие


электромагнитных полей с полупроводниками»

(
М.: Энергоатомиздат, 1986.


192 с.

)

O.V. Kibis Nondissipative electron transport in photon
-
dressed nanostructures

O.V. Kibis Nondissipative electron transport in photon
-
dressed nanostructures

The photovoltaic effect in a quantum helix subjected to a
circularly polarized electromagnetic wave

О.В. Кибис, Д.А. Романов, ФТТ
37
,

127 (1995).

Л.И. Магарилл, М.В. Энтин, Письма в ЖЭТФ
78
, 249 (2003).

M.V. Entin, L.I. Magarill, Phys. Rev. B
81
, 073305 (2010).

The nondissipative electron transport in a quantum helix
subjected to a circularly polarized electromagnetic wave

O.V. Kibis, Phys. Rev. Lett.
107
, 106802 (2011).

O.V. Kibis Nondissipative electron transport in photon
-
dressed nanostructures

Model of the laser beam

C. Cohen
-
Tannoudji, J. Dupont
-
Roc, G. Grynberg “Atom
-
photon interactions. Basic principles and applications”
(Wiley
-
VCH, Weinheim, 2004).

O.V. Kibis Nondissipative electron transport in photon
-
dressed nanostructures

Summary

It

is

shown

that

the

electron

coupling

to

photons

in

field
-
dressed

nanostructures

can

result

in

the

ground

electron
-
photon

state

with

a

nonzero

electric

current
.

Since

the

current

is

associated

with

the

ground

state,

it

flows

without

the

Joule

heating

of

the

nanostructure

and

is

nondissipative
.

Such

a

dissipationless

electron

transport

can

be

realized

in

strongly

coupled

electron
-
photon

systems

with

the

broken

time
-
reversal

symmetry



particularly,

in

quantum

rings

and

chiral

nanostructures

dressed

by

circularly

polarized

photons
.