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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2408.14579 |
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| _version_ | 1866916687002992640 |
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| author | Esslinger, Tilman Graf, Gian Michele Santi, Filippo |
| author_facet | Esslinger, Tilman Graf, Gian Michele Santi, Filippo |
| contents | The Thouless theory of quantum pumps establishes the conditions for quantized particle transport per cycle, and determines its value. When describing the pump from a moving reference frame, transported and existing charges transform, though not independently. This transformation is inherent to Galilean space and time, but it is underpinned by a transformation of vector bundles. Different formalisms can be used to describe this transformation, including one based on Bloch theory. Depending on the chosen formalism, the two types of charges will be realized as indices of either the same or different kinds. Finally, we apply the bulk-edge correspondence principle, so as to implement the transformation law within Büttiker's scattering theory of quantum pumps. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_14579 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Galilei covariance of the theory of Thouless pumps Esslinger, Tilman Graf, Gian Michele Santi, Filippo Mathematical Physics Quantum Gases The Thouless theory of quantum pumps establishes the conditions for quantized particle transport per cycle, and determines its value. When describing the pump from a moving reference frame, transported and existing charges transform, though not independently. This transformation is inherent to Galilean space and time, but it is underpinned by a transformation of vector bundles. Different formalisms can be used to describe this transformation, including one based on Bloch theory. Depending on the chosen formalism, the two types of charges will be realized as indices of either the same or different kinds. Finally, we apply the bulk-edge correspondence principle, so as to implement the transformation law within Büttiker's scattering theory of quantum pumps. |
| title | Galilei covariance of the theory of Thouless pumps |
| topic | Mathematical Physics Quantum Gases |
| url | https://arxiv.org/abs/2408.14579 |