Arrow of Time for Continuous Quantum Measurement

نویسندگان
چکیده

برای دانلود رایگان متن کامل این مقاله و بیش از 32 میلیون مقاله دیگر ابتدا ثبت نام کنید

اگر عضو سایت هستید لطفا وارد حساب کاربری خود شوید

منابع مشابه

Arrow of Time for Continuous Quantum Measurement.

We investigate the statistical arrow of time for a quantum system being monitored by a sequence of measurements. For a continuous qubit measurement example, we demonstrate that time-reversed evolution is always physically possible, provided that the measurement record is also negated. Despite this restoration of dynamical reversibility, a statistical arrow of time emerges, and may be quantified...

متن کامل

Quantum Measurement as an Arrow of Time

In this essay, I wish to provide some reasons to take seriously the possibility that physics is neither symmetric under time-reversal nor deterministic. I want to aim for accessibility to readers outside physics, so I include some material that will be introductory for specialists, I hope at least to offer an unorthodox perspective. I will start with an examination of how the formalism of quant...

متن کامل

Quantum Cosmology and the Arrow of Time

Although most fundamental laws are invariant under time reversal, experience exhibits the presence of irreversible phenomena – the arrows of time. Their origin lies in cosmology, and I argue that only quantum cosmology can provide the appropriate formal framework. After briefly reviewing the formalism, I discuss how a simple and natural boundary condition can lead to the observed arrows of time...

متن کامل

Quantum Gravity , the Origin of Time and Time ’ s Arrow

To be published in a special issue of Foundations of Physics, commemorating the 65th birthday of professor A. O. Barut. Abstract The local Lorentz and diffeomorphism symmetries of Einstein's gravitational theory are spontaneously broken by a Higgs mechanism by invoking a phase transition in the early Universe, at a critical temperature T c below which the symmetry is restored. The spontaneous b...

متن کامل

Nonclassical time correlation functions in continuous quantum measurement

A continuous projective measurement of a quantum system often leads to a suppression of the dynamics, known as the Zeno effect. Alternatively, generalized nonprojective, so-called ‘weak’ measurements can be carried out. Such a measurement is parameterized by its strength parameter that can interpolate continuously between the ideal strong measurement with no dynamics—the strict Zeno effect, and...

متن کامل

ذخیره در منابع من


  با ذخیره ی این منبع در منابع من، دسترسی به آن را برای استفاده های بعدی آسان تر کنید

ژورنال

عنوان ژورنال: Physical Review Letters

سال: 2017

ISSN: 0031-9007,1079-7114

DOI: 10.1103/physrevlett.119.220507