Switch to: References

Add citations

You must login to add citations.
  1. On the Debate Concerning the Proper Characterization of Quantum Dynamical Evolution.Michael E. Cuffaro & Wayne C. Myrvold - 2013 - Philosophy of Science 80 (5):1125-1136.
    There has been a long-standing and sometimes passionate debate between physicists over whether a dynamical framework for quantum systems should incorporate not completely positive (NCP) maps in addition to completely positive (CP) maps. Despite the reasonableness of the arguments for complete positivity, we argue that NCP maps should be allowed, with a qualification: these should be understood, not as reflecting ‘not completely positive’ evolution, but as linear extensions, to a system’s entire state space, of CP maps that are only partially (...)
    Direct download (12 more)  
     
    Export citation  
     
    Bookmark   3 citations  
  • The essential nonlinearity ofN-level quantum thermodynamics.Ralph F. Simmons & James L. Park - 1981 - Foundations of Physics 11 (3-4):297-305.
    This paper explores the possibility that linear dynamical maps might be used to describe the energy-conserving, entropy-increasing motions which occur in closed thermodynamic systems as they approach canonical thermal equilibrium. ForN-level quantum systems withN>2, we prove that no such maps exist which are independent of the initial state.
    Direct download (3 more)  
     
    Export citation  
     
    Bookmark  
    		•
  • Another look at complete positivity in generalized quantum dynamics: Reply to Raggio and Primas. [REVIEW]Ralph F. Simmons & James L. Park - 1982 - Foundations of Physics 12 (4):437-439.
    In this rejoinder to a critique by Raggio and Primas of our paper, “On Completely Positive Maps in Generalized Quantum Dynamics,” we acknowledge that, contrary to our original assertion, the Bloch equations are indeed completely positive. We then explain briefly why this modification of our analysis does not alter its main conclusions.
    Direct download (3 more)  
     
    Export citation  
     
    Bookmark   2 citations  
  • Remarks on “On Completely Positive Maps in Generalized Quantum Dynamics”.G. A. Raggio & H. Primas - 1982 - Foundations of Physics 12 (4):433-435.
    The assertion by Simmons and Park that the dynamical map associated with the Bloch equations of nuclear magnetic resonance is not completely positive is wrong.
    Direct download (3 more)  
     
    Export citation  
     
    Bookmark   1 citation  
  • The Open Systems View.Michael E. Cuffaro & Stephan Hartmann - manuscript
    There is a deeply entrenched view in philosophy and physics, the closed systems view, according to which isolated systems are conceived of as fundamental. On this view, when a system is under the influence of its environment this is described in terms of a coupling between it and a separate system which taken together are isolated. We argue against this view, and in favor of the alternative open systems view, for which systems interacting with their environment are conceived of as (...)
    Direct download (6 more)  
     
    Export citation  
     
    Bookmark   1 citation