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Wave–particle duality of C60 molecules
TLDR
The observation of de Broglie wave interference of C60 molecules by diffraction at a material absorption grating is reported, which is the most massive and complex object in which wave behaviour has been observed.
Decoherence of matter waves by thermal emission of radiation
TLDR
Good quantitative agreement is found between the experimental observations and microscopic decoherence theory of matter wave interferometer experiments in which C70 molecules lose their quantum behaviour by thermal emission of radiation.
Quantum physics meets biology
TLDR
The criteria for a future “quantum biology,” its current status, recent experimental progress, and also the restrictions that nature imposes on bold extrapolations of quantum theory to macroscopic phenomena are discussed.
Colloquium: Quantum interference of clusters and molecules
We review recent progress and future prospects of matter wave interferometry with complex organic molecules and inorganic clusters. Three variants of a near-field interference effect, based on
Real-time single-molecule imaging of quantum interference.
TLDR
This work shows how a combination of nanofabrication and nano-imaging allows us to record the full two-dimensional build-up of quantum interference patterns in real time for phthalocyanine molecules and for derivatives of phthaloprotein molecules, which have masses of 514 AMU and 1,298 AMu respectively.
Theory of decoherence in a matter wave Talbot-Lau interferometer (18 pages)
We present a theoretical framework to describe the effects of decoherence on matter waves in Talbot-Lau interferometry. Using a Wigner description of the stationary beam the loss of interference
Matter-wave interference of particles selected from a molecular library with masses exceeding 10,000 amu.
TLDR
It is demonstrated how synthetic chemistry allows us to prepare libraries of fluorous porphyrins which can be tailored to exhibit high mass, good thermal stability and relatively low polarizability, which allows for successful superposition experiments with selected species from these molecular libraries in a quantum interferometer, which utilizes the diffraction of matter-waves at an optical phase grating.
Matter-wave interferometer for large molecules.
TLDR
A near-field Talbot-Lau interferometer for C70 fullerene molecules using three free-standing gold gratings of 1 microm period and a transversally incoherent but velocity-selected molecular beam achieves an interference fringe visibility of 40% with high count rate.
Wave and particle in molecular interference lithography.
TLDR
This first experimental demonstration of quantum interference lithography with complex molecules is reported on, where both the particle and the quantum wave character of the molecules can be visualized in one and the same image.
Quantum interference of large organic molecules
TLDR
It is shown that even complex systems, with more than 1,000 internal degrees of freedom, can be prepared in quantum states that are sufficiently well isolated from their environment to avoid decoherence and to show almost perfect coherence.
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