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Atomic Bose-Hubbard Systems with Sin...

Preiss, Philipp Moritz.

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Atomic Bose-Hubbard Systems with Single-Particle Control.

紀錄類型:	書目-電子資源 : Monograph/item
正題名/作者:	Atomic Bose-Hubbard Systems with Single-Particle Control./
作者:	Preiss, Philipp Moritz.
面頁冊數:	165 p.
附註:	Source: Dissertation Abstracts International, Volume: 77-09(E), Section: B.
Contained By:	Dissertation Abstracts International77-09B(E).
標題:	Atomic physics. -
電子資源:	http://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=10102878
ISBN:	9781339665061

Atomic Bose-Hubbard Systems with Single-Particle Control.
Preiss, Philipp Moritz.

Atomic Bose-Hubbard Systems with Single-Particle Control. - 165 p.

Source: Dissertation Abstracts International, Volume: 77-09(E), Section: B.

Thesis (Ph.D.)--Harvard University, 2016.

Experiments with ultracold atoms in optical lattices provide outstanding opportunities to realize exotic quantum states due to a high degree of tunability and control. In this thesis, I present experiments that extend this control from global parameters to the level of individual particles.

ISBN: 9781339665061Subjects--Topical Terms:

3173870
Atomic physics.

Atomic Bose-Hubbard Systems with Single-Particle Control.
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245 1 0 $a Atomic Bose-Hubbard Systems with Single-Particle Control.
300 $a 165 p.
500 $a Source: Dissertation Abstracts International, Volume: 77-09(E), Section: B.
500 $a Adviser: Markus Greiner.
502 $a Thesis (Ph.D.)--Harvard University, 2016.
520 $a Experiments with ultracold atoms in optical lattices provide outstanding opportunities to realize exotic quantum states due to a high degree of tunability and control. In this thesis, I present experiments that extend this control from global parameters to the level of individual particles.
520 $a Using a quantum gas microscope for 87Rb, we have developed a single-site addressing scheme based on digital amplitude holograms. The system self-corrects for aberrations in the imaging setup and creates arbitrary beam profiles. We are thus able to shape optical potentials on the scale of single lattice sites and control the dynamics of individual atoms.
520 $a We study the role of quantum statistics and interactions in the Bose-Hubbard model on the fundamental level of two particles. Bosonic quantum statistics are apparent in the Hong-Ou-Mandel interference of massive particles, which we observe in tailored double-well potentials. These underlying statistics, in combination with tunable repulsive interactions, dominate the dynamics in single- and two-particle quantum walks. We observe highly coherent position-space Bloch oscillations, bosonic bunching in Hanbury Brown-Twiss interference and the fermionization of strongly interacting bosons.
520 $a Many-body states of indistinguishable quantum particles are characterized by large-scale spatial entanglement, which is difficult to detect in itinerant systems. Here, we extend the concept of Hong-Ou-Mandel interference from individual particles to many-body states to directly quantify entanglement entropy. We perform collective measurements on two copies of a quantum state and detect entanglement entropy through many-body interference. We measure the second order Renyi entropy in small Bose-Hubbard systems and detect the buildup of spatial entanglement across the superfluid-insulator transition.
520 $a Our experiments open new opportunities for the single-particle-resolved preparation and characterization of many-body quantum states.
590 $a School code: 0084.
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650 4 $a Condensed matter physics. $3 3173567
650 4 $a Optics. $3 517925
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