Journal
PHYSICAL REVIEW B
Volume 88, Issue 1, Pages -Publisher
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevB.88.014507
Keywords
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Funding
- JSPS KAKENHI Grant [19684014]
- Photon-Frontier-Consortium Project by MEXT of Japan
- Grants-in-Aid for Scientific Research [19684014] Funding Source: KAKEN
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Local excitations of indistinguishable particles in a solid are quantum-mechanically superposed to give delocalized wave functions. Their interference is often so short-lived that it eludes observation and manipulation. Here we have actively controlled interference of delocalized vibrational wave functions in solid para-hydrogen produced by a pair of ultrashort laser pulses. The ultrafast evolution of their interference changes from almost completely constructive (amplification by a factor of similar to 4) to destructive when we change the timing of those two laser pulses by only 4 fs. This active control serves as an experimental tool to investigate the spatiotemporal evolution of a wave function in a bulk solid.
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