4,905 research outputs found
Do People Make Strategic Moves? Experimental Evidence on Strategic Information Avoidance
The strategic commitment moves that game theory predicts players make may sometimes seem counter-intuitive. We therefore conducted an experiment to see if people make the predicted strategic move. The experiment uses a simple bargaining situation. A player can make a strategic move of committing to not seeing what another player will demand. Our data show that subjects do, but only after substantial time, learn to make the predicted strategic move. We find only weak evidence of physical timing effects.strategic moves; commitment; bargaining; strategic value of information; physical timing effects; endogenous timing; experiment
Quantum Superposition State Production by Continuous Observations and Feedback
We present a protocol for generation of superpositions of states with
distinguishable field amplitudes in an optical cavity by quantum nondemolition
photon number measurements and coherent feeding of the cavity.Comment: RevTex4, 4 pages, 2 figures. Published in Phys. Rev. Lett. with
higher quality figures. The first part of the manuscript, regarding the Fock
state generator, has been remove
Correlations in local measurements on a quantum state, and complementarity as an explanation of nonclassicality
We consider the classical correlations that two observers can extract by
measurements on a bipartite quantum state, and we discuss how they are related
to the quantum mutual information of the state. We show with several examples
how complementarity gives rise to a gap between the quantum and the classical
correlations, and we relate our quantitative finding to the so-called classical
correlation locked in a quantum state. We derive upper bounds for the sum of
classical correlation obtained by measurements in different mutually unbiased
bases and we show that the complementarity gap is also present in the
deterministic quantum computation with one quantum bit.Comment: 15 pages, 4 figures, references adde
Atomic quantum superposition state generation via optical probing
We analyze the performance of a protocol to prepare an atomic ensemble in a
superposition of two macroscopically distinguishable states. The protocol
relies on conditional measurements performed on a light field, which interacts
with the atoms inside an optical cavity prior to detection, and we investigate
cavity enhanced probing with continuous beams of both coherent and squeezed
light. The stochastic master equations used in the analysis are expressed in
terms of the Hamiltonian of the probed system and the interaction between the
probed system and the probe field and are thus quite generally applicable.Comment: 10 pages, 9 figure
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