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Wojciech Kozlowski 2016-06-09 17:29:43 +01:00
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%*******************************************************************************
%*********************************** Second Chapter ****************************
%*******************************************************************************
%Title of the Second Chapter
\chapter{Quantum Optics of Quantum Gases}
\ifpdf
\graphicspath{{Chapter2/Figs/Raster/}{Chapter2/Figs/PDF/}{Chapter2/Figs/}}
\else
\graphicspath{{Chapter2/Figs/Vector/}{Chapter2/Figs/}}
\fi
%********************************** % First Section ****************************
\section{Ultracold Atoms in Optical Lattices}
%********************************** % Second Section ***************************
\section{Quantum Optics of Quantum Gases}
Having introduced and described the behaviour of ultracold bosons
trapped and manipulated using classical light, it is time to extend
the discussion to quantized optical fields. We will first derive a
general Hamiltonian that describes the coupling of atoms with
far-detuned optical beams \cite{mekhov2012}. This will serve as the
basis from which we explore the system in different parameter regimes,
such as nondestructive measurement in free space or quantum
measurement backaction in a cavity.
We consider $N$ two-level atoms in an optical lattice with $M$
sites. For simplicity we will restrict our attention to spinless
bosons, although it is straightforward to generalise to fermions,
which yields its own set of interesting quantum phenomena
\cite{atoms2015, mazzucchi2016, mazzucchi2016af}, and other spin
particles. The theory can be also be generalised to continuous
systems, but the restriction to optical lattices is convenient for a
variety of reasons. Firstly, it allows us to precisely describe a
many-body atomic state over a broad range of parameter values due to
the inherent tunability of such lattices. Furthermore, this model is
capable of describing a range of different experimental setups ranging
from a small number of sites with a large filling factor (e.g.~BECs
trapped in a double-well potential) to a an extended multi-site
lattice with a low filling factor (e.g.~a system with one atom per
site will exhibit the Mott insulator to superfluid quantum phase
transition). \mynote{extra fermion citations, Piazza?}

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@article{mekhov2012,
title={Quantum optics with ultracold quantum gases: towards the full quantum regime of the light--matter interaction},
author={Mekhov, Igor B and Ritsch, Helmut},
journal={Journal of Physics B: Atomic, Molecular and Optical Physics},
volume={45},
number={10},
pages={102001},
year={2012},
publisher={IOP Publishing}
}
@article{mazzucchi2016,
title = {Quantum measurement-induced dynamics of many-body ultracold bosonic and fermionic systems in optical lattices},
author = {Mazzucchi, Gabriel and Kozlowski, Wojciech and Caballero-Benitez, Santiago F. and Elliott, Thomas J. and Mekhov, Igor B.},
journal = {Physical Review A},
volume = {93},
issue = {2},
pages = {023632},
numpages = {12},
year = {2016},
month = {Feb},
publisher = {American Physical Society}
}
@article{atoms2015,
title={Probing and Manipulating Fermionic and Bosonic Quantum Gases with Quantum Light},
author={Elliott, Thomas J and Mazzucchi, Gabriel and Kozlowski, Wojciech and Caballero-Benitez, Santiago F and Mekhov, Igor B},
journal={Atoms},
volume={3},
number={3},
pages={392--406},
year={2015},
publisher={Multidisciplinary Digital Publishing Institute}
}
@article{mazzucchi2016af,
title={Quantum measurement-induced antiferromagnetic order and density modulations in ultracold Fermi gases in optical lattices},
author={Mazzucchi, Gabriel and Caballero-Benitez, Santiago F and Mekhov, Igor B},
journal={arXiv preprint arXiv:1510.04883},
year={2015}
}

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\mainmatter \mainmatter
\include{Chapter1/chapter1} \include{Chapter1/chapter1}
%\include{Chapter2/chapter2} \include{Chapter2/chapter2}
%\include{Chapter3/chapter3} %\include{Chapter3/chapter3}
%\include{Chapter4/chapter4} %\include{Chapter4/chapter4}
%\include{Chapter5/chapter5} %\include{Chapter5/chapter5}
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% Bibliography style previews: http://nodonn.tipido.net/bibstyle.php % Bibliography style previews: http://nodonn.tipido.net/bibstyle.php
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