Measuring the measurement problem: controlling decoherence with measurement duration in molecular MCB junctions
Fuente:
arXiv
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866915573320908800 |
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| author | Muller, C. J. |
| author_facet | Muller, C. J. |
| contents | We investigate the influence of the measurement duration on quantum coherence in molecular mechanically controlled break junctions operating in a tetrahydrofuran (THF) partially wet phase. These systems represent a distinct class of enclosed open quantum systems with unusually long decoherence times at ambient conditions, on the order of 1-20 ms. By tuning the integration time of the current measurement in current-voltage (IV) characteristics, relative to the decoherence time, we observe a transition from quantum interference patterns, manifested as structured bands of data points, to classical behavior characterized by a single averaged response. This demonstrates that the duration of a measurement acts as a controllable parameter for probing quantum behavior in molecular junctions, offering new insights into decoherence dynamics in quantum mechanics. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2510_01945 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Measuring the measurement problem: controlling decoherence with measurement duration in molecular MCB junctions Muller, C. J. Mesoscale and Nanoscale Physics We investigate the influence of the measurement duration on quantum coherence in molecular mechanically controlled break junctions operating in a tetrahydrofuran (THF) partially wet phase. These systems represent a distinct class of enclosed open quantum systems with unusually long decoherence times at ambient conditions, on the order of 1-20 ms. By tuning the integration time of the current measurement in current-voltage (IV) characteristics, relative to the decoherence time, we observe a transition from quantum interference patterns, manifested as structured bands of data points, to classical behavior characterized by a single averaged response. This demonstrates that the duration of a measurement acts as a controllable parameter for probing quantum behavior in molecular junctions, offering new insights into decoherence dynamics in quantum mechanics. |
| title | Measuring the measurement problem: controlling decoherence with measurement duration in molecular MCB junctions |
| topic | Mesoscale and Nanoscale Physics |
| url | https://arxiv.org/abs/2510.01945 |