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Charis Anastopoulos [3]C. Anastopoulos [1]
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Charis Anastopoulos
University of Patras
  1.  30
    Quantum Theory Without Hilbert Spaces.C. Anastopoulos - 2001 - Foundations of Physics 31 (11):1545-1580.
    Quantum theory does not only predict probabilities, but also relative phases for any experiment, that involves measurements of an ensemble of systems at different moments of time. We argue, that any operational formulation of quantum theory needs an algebra of observables and an object that incorporates the information about relative phases and probabilities. The latter is the (de)coherence functional, introduced by the consistent histories approach to quantum theory. The acceptance of relative phases as a primitive ingredient of any quantum theory, (...)
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  2.  88
    Classical Versus Quantum Probability in Sequential Measurements.Charis Anastopoulos - 2006 - Foundations of Physics 36 (11):1601-1661.
    We demonstrate in this paper that the probabilities for sequential measurements have features very different from those of single-time measurements. First, they cannot be modelled by a classical stochastic process. Second, they are contextual, namely they depend strongly on the specific measurement scheme through which they are determined. We construct Positive-Operator-Valued measures (POVM) that provide such probabilities. For observables with continuous spectrum, the constructed POVMs depend strongly on the resolution of the measurement device, a conclusion that persists even if we (...)
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  3.  55
    Mind-Body Interaction and Modern Physics.Charis Anastopoulos - manuscript
    The idea that mind and body are distinct entities that interact is often claimed to be incompatible with physics. The aim of this paper is to disprove this claim. To this end, we construct a broad mathematical framework that describes theories with mind-body interaction (MBI) as an extension of current physical theories. We employ histories theory, i.e., a formulation of physical theories in which a physical system is described in terms of (i) a set of propositions about possible evolutions of (...)
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  4.  29
    Particle or Wave: The Evolution of the Concept of Matter in Modern Physics.Charis Anastopoulos - 2008 - Princeton University Press.
    'Particle or Wave' explains the origins and development of modern physical concepts about matter and the controversies surrounding them.
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