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Laura Ruetsche [33]L. Ruetsche [4]
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Profile: Laura Ruetsche (University of Michigan, Ann Arbor)
  1. Laura Ruetsche (forthcoming). The Shaky Game +25, Or: On Locavoracity. Synthese:1-18.
    Taking Arthur Fine’s The Shaky Game as my inspiration, and the recent 25 \({\textit{th}}\) anniversary of the publication of that work as the occasion to exercise that inspiration, I sketch an alternative to the “Naturalism” prevalent among philosophers of physics. Naturalism is a methodology eventuating in a metaphysics. The methodology is to seek the deep framework assumptions that make the best sense of science; the metaphysics is furnished by those assumptions and supported by their own support of science. The alternative (...)
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  2. Laura Ruetsche (2013). Interpreting Quantum Theories. OUP Oxford.
    Philosophers of quantum mechanics have generally addressed exceedingly simple systems. Laura Ruetsche offers a much-needed study of the interpretation of more complicated systems, and an underexplored family of physical theories, such as quantum field theory and quantum statistical mechanics, showing why they repay philosophical attention.
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  3. Laura Ruetsche (2012). Philosophical Aspects of Quantum Field Theory: II. Philosophy Compass 7 (8):571-584.
    According to a regnant criterion of physical equivalence for quantum theories, a quantum field theory (QFT) typically admits continuously many physically inequivalent realizations. This, the second of a two-part introduction to topics in the philosophy of QFT, continues the investigation of this alarming circumstance. It begins with a brief catalog of quantum field theoretic examples of this non-uniqueness, then presents the basics of the algebraic approach to quantum theories, which discloses a structure common even to ‘physically inequivalent’ realizations of a (...)
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  4. Laura Ruetsche (2012). Philosophical Aspects of Quantum Field Theory: I. Philosophy Compass 7 (8):559-570.
    This is the first of a two-part introduction to some interpretive questions that arise in connection with quantum field theories (QFTs). Some of these questions are continuous with those familiar from the discussion of ordinary non-relativistic quantum mechanics (QM). For example, questions about locality can be rigorously posed and fruitfully pursued within the framework of QFT. A stark disanalogy between QFTs and ordinary QM – the former, but not the latter, typically admit infinitely many putatively physically inequivalent realizations – prompts (...)
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  5. Laura Ruetsche & John Earman (2012). Infinitely Challenging: Pitowsky's Subjective Interpretation and the Physics of Infinite Systems. In Yemima Ben-Menahem & Meir Hemmo (eds.), Probability in Physics. Springer 219--232.
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  6. Laura Ruetsche (2011). Interpreting Quantum Theories: The Art of the Possible. Oxford University Press.
    Traditionally, philosophers of quantum mechanics have addressed exceedingly simple systems: a pair of electrons in an entangled state, or an atom and a cat in Dr. Schrodinger's diabolical device. But recently, much more complicated systems, such as quantum fields and the infinite systems at the thermodynamic limit of quantum statistical mechanics, have attracted, and repaid, philosophical attention. Interpreting Quantum Theories has three entangled aims. The first is to guide those familiar with the philosophy of ordinary QM into the philosophy of (...)
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  7. Laura Ruetsche (2011). Why Be Normal? Studies in History and Philosophy of Science Part B 42 (2):107-115.
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  8. Laura Ruetsche & John Earman (2011). Interpreting Probabilities in Quantum Field Theoryand Quantum Statistical Mechanics. In Claus Beisbart & Stephan Hartmann (eds.), Probabilities in Physics. Oxford University Press 263.
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  9. Laura Ruetsche (2006). Johnny's So Long at the Ferromagnet. Philosophy of Science 73 (5):473-486.
    Starting from the standard quantum formalism for a single spin 1/2 system (e.g., an electron), this essay develops a model rich enough not only to afford an explication of symmetry breaking but also to frame questions about how to circumscribe physical possibility on behalf of theories that countenance symmetry breaking.
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  10. Laura Ruetsche, Chris Smeenk, Branden Fitelson, Patrick Maher, Martin Thomson‐Jones, Bas C. van Fraassen, Steven French, Juha Saatsi, Stathis Psillos & Katherine Brading (2006). 10. Can Philosophy Offer Help in Resolving Contemporary Biological Controversies? In Borchert (ed.), Philosophy of Science. Macmillan
     
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  11. Laura Ruetsche, Chris Smeenk, Branden Fitelson, Patrick Maher, Martin Thomson‐Jones, Bas C. van Fraassen, Steven French, Juha Saatsi, Stathis Psillos & Katherine Brading (2006). 1. Preface Preface (Pp. I-Ii). Philosophy of Science 73 (5).
     
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  12. John Earman & Laura Ruetsche (2005). Relativistic Invariance and Modal Interpretations. Philosophy of Science 72 (4):557-583.
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  13. Michael Strevens, John Earman, Laura Ruetsche, Max Albert, Jonah N. Schupbach & Sean Allen‐Hermanson (2005). 10. Kent Staley: The Evidence for the Top Quark: Objectivity and Bias in Collaborative Experimentation, Kent Staley: The Evidence for the Top Quark: Objectivity and Bias in Collaborative Experimentation,(Pp. 659-661). [REVIEW] Philosophy of Science 72 (4).
     
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  14. Martin Carrier, Laura Ruetsche & Gerald J. Massey (eds.) (2004). Science at Centurys End: Philosophical Questions on the Progress and Limits of S. University of Pittsburgh Press.
     
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  15. L. Ruetsche (2004). Meinard Kuhlmann, Holger Lyre & Andrew Wayne (Eds), Ontological Aspects of Quantum Field Theory. International Studies in the Philosophy of Science 18:98-101.
     
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  16. Laura Ruetsche (2004). Book Review: Elizabeth Potter. Gender and Boyle's Law of Gases. Bloomington: Indiana University Press. 2001. [REVIEW] Hypatia 19 (1):297-302.
  17. Laura Ruetsche (2004). Gender and Boyle's Law of Gases (Review). Hypatia 19 (1):297-302.
  18. Laura Ruetsche (2004). Intrinsically Mixed States: An Appreciation. Studies in History and Philosophy of Science Part B 35 (2):221-239.
    An “intrinsically mixed” state is a mixed state of a system that is ‘orthogonal’ to every pure state of that system. Although the presence of such states in the quantum theories of infinite systems is well known to those who work with such theories, intrinsically mixed states are virtually unheralded in the philosophical literature. Rob Clifton was thoroughly familiar with intrinsically mixed states. I aim here to introduce them to a wider audience—and to encourage that audience to cultivate their acquaintance (...)
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  19. Laura Ruetsche (2004). Virtue and Contingent History: Possibilities for Feminist Epistemology. Hypatia 19 (1):73-101.
    : Some feminist epistemologists make the radical claim that there are varieties of epistemically valid warrant that agents access only through having lived particular types of contingent history, varieties of epistemic warrant to which, moreover, the confirmation-theoretic accounts of warrant favored by some traditional epistemologists are inapplicable. I offer Aristotelian virtue as a model for warrant of this sort, and use loosely Aristotelian vocabulary to express, and begin to evaluate, a range of feminist epistemological positions.
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  20. Aristidis Arageorgis, John Earman & Laura Ruetsche (2003). Fulling Non‐Uniqueness and the Unruh Effect: A Primer on Some Aspects of Quantum Field Theory. Philosophy of Science 70 (1):164-202.
    We discuss the intertwined topics of Fulling non‐uniqueness and the Unruh effect. The Fulling quantization, which is in some sense the natural one for an observer uniformly accelerated through Minkowski spacetime to adopt, is often heralded as a quantization of the Klein‐Gordon field which is both physically relevant and unitarily inequivalent to the standard Minkowski quantization. We argue that the Fulling and Minkowski quantizations do not constitute a satisfactory example of physically relevant, unitarily inequivalent quantizations, and indicate what it would (...)
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  21. Laura Ruetsche (2003). A Matter of Degree: Putting Unitary Inequivalence to Work. Philosophy of Science 70 (5):1329-1342.
    If a classical system has infinitely many degrees of freedom, its Hamiltonian quantization need not be unique up to unitary equivalence. I sketch different approaches (Hilbert space and algebraic) to understanding the content of quantum theories in light of this non‐uniqueness, and suggest that neither approach suffices to support explanatory aspirations encountered in the thermodynamic limit of quantum statistical mechanics.
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  22. Laura Ruetsche (2003). Modal Semantics, Modal Dynamics and the Problem of State Preparation. International Studies in the Philosophy of Science 17 (1):25 – 41.
    It has been suggested that the Modal Interpretation of Quantum Mechanics (QM) is "incomplete" if it lacks a dynamics for possessed values. I argue that this is only one of two possible attitudes one might adopt toward a Modal Interpretation without dynamics. According to the other attitude, such an interpretation is a complete interpretation of QM as standardly formulated, an interpretation whose innovation is to attempt to make sense of the quantum realm without the expedient of novel physics. Then I (...)
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  23. A. Arageorgis, J. Earman & L. Ruetsche (2002). Weyling the Time Away: The Non-Unitary Implementability of Quantum Field Dynamics on Curved Spacetime. Studies in History and Philosophy of Science Part B 33 (2):151-184.
    The simplest case of quantum field theory on curved spacetime-that of the Klein-Gordon field on a globally hyperbolic spacetime-reveals a dilemma: In generic circumstances, either there is no dynamics for this quantum field, or else there is a dynamics that is not unitarily implementable. We do not try to resolve the dilemma here, but endeavour to spell out the consequences of seizing one or the other horn of the dilemma.
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  24. Rebecca Kukla & Laura Ruetsche (2002). Contingent Natures and Virtuous Knowers: Could Epistemology Be 'Gendered'? Canadian Journal of Philosophy 32 (3):389 - 418.
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  25. Laura Ruetsche (2002). Interpreting Quantum Field Theory. Philosophy of Science 69 (2):348-378.
    The availability of unitarily inequivalent representations of the canonical commutation relations constituting a quantization of a classical field theory raises questions about how to formulate and pursue quantum field theory. In a minimally technical way, I explain how these questions arise and how advocates of the Hilbert space and of the algebraic approaches to quantum theory might answer them. Where these answers differ, I sketch considerations for and against each approach, as well as considerations which might temper their apparent rivalry.
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  26. Hugh Clapin, Katherine Neal, John Wennerbom, Barbara Nunn, Deborah Dysart, Andy Pickering, Lisa Featherstone, Hiram Caton, Dale Jacquette, Laura Ruetsche, William A. Turner, Cornelia Lüdecke, Birgit Lohmann, James Ladyman, Jonathan Coopersmith, David Oldroyd, Dennis Dean, Michael Ruse, Nicolas Rasmussen, William N. Kaghan, Martin Bridgstock, Geoffrey Cocks, Stephanie H. Kenen, Ivan Crozier, Sokhieng Au, Desmond Barrett, Mark Cortiula & Ian D. Lawrie (2001). Reviews. [REVIEW] Metascience 10 (1):50-149.
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  27. Martin Carrier, Gerald J. Massey, Laura Ruetsche & Pittsburgh-Konstanz Colloquium in the Philosophy of Science (2000). Science at Century's End Philosophical Questions on the Progress and Limits of Science.
     
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  28. L. Ruetsche (2000). Interpreting Bodies - Elena Castellani (Ed.) Interpreting Bodies: Classical and Quantum Objects in Modern Physics (Princeton: Princeton University Press, 1998), VIII+329 Pp., ISBN 0-691-01725-5, Paperback, $19.95 US, ISBN 0-691-01724-7, Cloth, $65.00 US. [REVIEW] Studies in History and Philosophy of Science Part B 31 (3):413-417.
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  29. Gordon Belot, John Earman & Laura Ruetsche (1999). The Hawking Information Loss Paradox: The Anatomy of a Controversy. British Journal for the Philosophy of Science 50 (2):189 - 229.
    Stephen Hawking has argued that universes containing evaporating black holes can evolve from pure initial states to mixed final ones. Such evolution is non-unitary and so contravenes fundamental quantum principles on which Hawking's analysis was based. It disables the retrodiction of the universe's initial state from its final one, and portends the time-asymmetry of quantum gravity. Small wonder that Hawking's paradox has met with considerable resistance. Here we use a simple result for C*-algebras to offer an argument for pure-to-mixed state (...)
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  30. Rob Clifton & Laura Ruetsche (1999). Changing the Subject: Redei on Causal Dependence and Screening Off in Relativistic Quantum Field Theory. Philosophy of Science 66 (3):169.
    In a pair of articles (1996, 1997) and in his recent book (1998), Miklos Redei has taken enormous strides toward characterizing the conditions under which relativistic quantum field theory is a safe setting for the deployment of causal talk. Here, we challenge the adequacy of the accounts of causal dependence and screening off on which rests the relevance of Redei's theorems to the question of causal good behavior in the theory.
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  31. Rob Clifton & Laura Ruetsche (1999). Foundations of Statistical Physics, Spacetime Theories, and Quantum Field Theory-Changing the Subject: Redei on Causal Dependence and Screening Off in Relativistic Quantum Field Theory. Philosophy of Science 66 (3).
     
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  32. Jeffrey Bub & Laura Ruetsche (1998). Reviews-Interpreting the Quantum World. British Journal for the Philosophy of Science 49 (4):637-641.
     
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  33. L. Ruetsche (1998). Review. Jeffrey Bub. Interpreting the Quantum World. Cambridge, Cambridge University Press, 1997. British Journal for the Philosophy of Science 49 (4):637-641.
  34. Laura Ruetsche (1998). Review. [REVIEW] British Journal for the Philosophy of Science 49 (4):637-641.
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  35. Laura Ruetsche (1996). Van Fraassen on Preparation and Measurement. Philosophy of Science 63 (3):346.
    Van Fraassen's 1991 modal interpretation of Quantum Mechanics offers accounts of measurement and state preparation. I argue that both accounts overlook a class of interactions I call General Unitary Measurements, or GUMs. Ironically, GUMs are significant for van Fraassen's account of measurement because they challenge it, and significant for his account of preparation because they simplify it. Van Fraassen's oversight prompts a question about modal interpretations: developed to account for ideal measurement outcomes, can they consistently account as well for the (...)
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  36. Laura Ruetsche (1995). On the Verge of Collapse: Modal Interpretations of Quantum Mechanics. Dissertation, University of Pittsburgh
    The conjunction of Schrodinger dynamics and the usual way of thinking about the conditions under which quantum systems exhibit determinate values implies that measurements don't have outcomes. The orthodox fix to this quantum measurement problem is von Neumann's postulate of measurement collapse, which suspends Schrodinger dynamics in measurement contexts. Contending that the fundamental dynamical law of quantum theory breaks down every time we test the theory empirically, the collapse postulate is unsatisfactory. Recently philosophers and physicists have proposed a less violent (...)
     
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