Variational Quantum states for Eigenstate Thermalization Hypothesis violation in the NISQ-era
The eigenstate thermalisation hypothesis applies to most quantum states, suggest- ing that information about the initial state becomes generally indiscernible as the system evolves. However, certain exceptional states, like many-body localized states and quantum scars, chal- lenge this hypothesis. T...
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| Tipo de recurso: | tesis de maestría |
| Fecha de publicación: | 2023 |
| País: | España |
| Institución: | Universitat Politècnica de Catalunya (UPC) |
| Repositorio: | UPCommons. Portal del coneixement obert de la UPC |
| Idioma: | inglés |
| OAI Identifier: | oai:upcommons.upc.edu:2117/403268 |
| Acceso en línea: | https://hdl.handle.net/2117/403268 |
| Access Level: | acceso abierto |
| Palabra clave: | Quantum computing Rydberg Arrays quantum computing digital/analog quantum simulators ergodicity parametric quantum circuits variational quantum algorithms eigenstate thermalisation hypothesis Computació quàntica Àrees temàtiques de la UPC::Informàtica::Programació |
| Sumario: | The eigenstate thermalisation hypothesis applies to most quantum states, suggest- ing that information about the initial state becomes generally indiscernible as the system evolves. However, certain exceptional states, like many-body localized states and quantum scars, chal- lenge this hypothesis. This thesis focuses on quantum many-body scars, which are distinctive states that exhibits characteristics such as low entanglement and the resurgence of specific prop- erties. Notably, quantum many-body scars were observed in the laboratory perfoming dynamics on Rydberg arrays. To investigate these states, we propose the implementation of a variational technique using a parameterized quantum circuit on a near-term intermediate-scale quantum device, with the goal of facilitating their exploration and analysis. |
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