자료유형  

 학위논문

Control Number  

0016934240

International Standard Book Number  

9798380416344

Dewey Decimal Classification Number  

530

Main Entry-Personal Name  

Christakis, Lysander.

Publication, Distribution, etc. (Imprint  

[S.l.] : Princeton University., 2023

Publication, Distribution, etc. (Imprint  

Ann Arbor : ProQuest Dissertations & Theses, 2023

Physical Description  

1 online resource(213 p.)

General Note  

Source: Dissertations Abstracts International, Volume: 85-03, Section: B.

General Note  

Advisor: Bakr, Waseem.

Dissertation Note  

Thesis (Ph.D.)--Princeton University, 2023.

Restrictions on Access Note  

This item must not be sold to any third party vendors.

Summary, Etc.  

요약Ultracold molecules are a promising platform for quantum simulation of many-body physics due to their long-range dipolar interactions, rich set of internal states, and long coherence times. However, their complexity also makes it challenging to detect individual molecules and achieve control over their quantum states and interactions. In this thesis, I describe the development of a novel apparatus for performing quantum simulation experiments with ultracold NaRb molecules that addresses these challenges. We first form NaRb molecules in a well-defined quantum state in an optical lattice by associating atom pairs from ultracold gases of Na and Rb. Single molecules are then detected on individual sites via a high-resolution imaging system using a technique sensitive to their rotational state. We also describe the capabilities of the apparatus to control the dipolar interactions with AC and DC electric fields.Using this molecular quantum gas microscope apparatus, we measure the dynamics of site-resolved quantum correlations between the molecules due to their dipolar interactions. By using microwaves to address a two-level subspace of the rotational manifold of the molecules, we realize a spin-exchange model where the spins are coupled via the dipolar interactions. We prepare the synthetic spin system in an out-of-equilibrium state with a quench, and measure the evolution of spin correlations as the quantum system thermalizes. In addition, we demonstrate control over the dipolar interactions between the molecules by tuning their spatial anisotropy. Finally, we use Floquet driving to engineer a spin-anisotropic Heisenberg model from the native spin-exchange model. These experiments expand the capabilities of ultracold molecules for studying problems in quantum magnetism and quantum many-body physics more broadly. For example, future work could explore microscopic correlations in the dipolar Hubbard model, or characterize entangled states of interacting polar molecules relevant for quantum metrology. 

Subject Added Entry-Topical Term  

Physics.

Subject Added Entry-Topical Term  

Physical chemistry.

Subject Added Entry-Topical Term  

Quantum physics.

Index Term-Uncontrolled  

Ultracold molecules

Index Term-Uncontrolled  

Quantum simulation

Index Term-Uncontrolled  

NaRb molecules

Index Term-Uncontrolled  

Dipolar interactions

Added Entry-Corporate Name  

Princeton University Physics

Host Item Entry  

Dissertations Abstracts International. 85-03B.

Host Item Entry  

Dissertation Abstract International

Electronic Location and Access  

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Control Number  

joongbu:641611