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Three different implementations of interaction-free measurements (IFMs) in solid-state nanodevices are discussed. The first one is based on a series of concatenated Mach-Zehnder interferometers, in analogy to optical-IFM setups. The second…

Mesoscale and Nanoscale Physics · Physics 2015-05-18 L. Chirolli , E. Strambini , V. Giovannetti , F. Taddei , V. Piazza , R. Fazio , F. Beltram , G. Burkard

Absorption-free (also known as ``interaction-free'') measurement aims to detect the presence of an opaque object using a test particle without that particle being absorbed by the object. Here we consider semi-transparent objects which have…

Quantum Physics · Physics 2009-11-06 Graeme Mitchison , Serge Massar

In ``interaction free'' measurements, one typically wants to detect the presence of an object without touching it with even a single photon. One often imagines a bomb whose trigger is an extremely sensitive measuring device whose presence…

Quantum Physics · Physics 2009-10-31 Steven H. Simon , P. M. Platzman

Using the complementary wave- and particle-like natures of photons, it is possible to make ``interaction-free'' measurements where the presence of an object can be determined with no photons being absorbed. We investigated several…

Quantum Physics · Physics 2009-10-31 Andrew G. White , Jay R. Mitchell , Olaf Nairz , Paul G. Kwiat

In this paper, we consider interaction-free measurement (IFM) with imperfect interaction. In the IFM proposed by Kwiat et al., we assume that interaction between an absorbing object and a probe photon is imperfect, so that the photon is…

Quantum Physics · Physics 2007-05-23 Hiroo Azuma

In 1993 Elitzur and Vaidman introduced the concept of interaction-free measurements which allowed finding objects without ``touching'' them. In the proposed method, since the objects were not touched even by photons, thus, the…

Quantum Physics · Physics 2009-11-06 L. Vaidman

Interaction-free measurement is shown to arise from the forward-scattered wave accompanying absorption: a "quantum silhouette" of the absorber. Accordingly, the process is not free of interaction. For a perfect absorber the…

Quantum Physics · Physics 2009-10-31 Tamás Geszti

Interaction-free measurement (IFM), just as its name implies, can enable one to detect an object without interacting with it, i.e., substantially reducing the damage to the object. With the help of quantum channel theory, we investigate the…

Quantum Physics · Physics 2017-12-27 You Zhou , Man-Hong Yung

Recently highly-efficient quantum engines were devised by exploiting the stochastic energy changes induced by quantum measurement. Here we show that such an engine can be based on an interaction-free measurement, in which the meter…

Quantum Physics · Physics 2020-09-22 Cyril Elouard , Mordecai Waegell , Benjamin Huard , Andrew N. Jordan

Quantum mechanics predicts that our physical reality is influenced by events that can potentially happen but factually do not occur. Interaction-free measurements (IFMs) exploit this counterintuitive influence to detect the presence of an…

Quantum Physics · Physics 2015-11-25 J. Peise , B. Lücke , L. Pezzè , F. Deuretzbacher , W. Ertmer , J. Arlt , A. Smerzi , L. Santos , C. Klempt

This manuscript is inspired by the paper [2]. In the paper, they investigate a method to detect existence of an object with arbitrarily small interaction. Below, we sketch their protocol to motivate the present manuscript. The object of…

Quantum Physics · Physics 2016-06-15 Keiji Matsumoto

We analyse interaction-free measurements on classical and quantum objects. We show the transition from a classical interaction free measurement to a quantum non-demolition measurement of atom number, and discuss the mechanism of the…

Quantum Physics · Physics 2007-05-23 Anders Karlsson , Gunnar Bjork , Erik Forsberg

A novel manifestation of nonlocality of quantum mechanics is presented. It is shown that it is possible to ascertain the existence of an object in a given region of space without interacting with it. The method might have practical…

High Energy Physics - Theory · Physics 2009-10-22 Avshalom C. Elitzur , Lev Vaidman

We demonstrate that the preparation of a very well localized atom beam is possible without physical interaction. The preparation is based on the selection of an adequate ensemble of atoms of an originally wide beam by means of information…

Quantum Physics · Physics 2008-11-26 G. Krenn , J. Summhammer , K. Svozil

Interaction-free measurements introduced by Elitzur and Vaidman [Found. Phys. 23, 987 (1993)] allow finding infinitely fragile objects without destroying them. Many experiments have been successfully performed showing that indeed, the…

Quantum Physics · Physics 2007-05-23 Lev Vaidman

Perfect-crystal neutron interferometry has been a useful tool in measuring nuclear-interactions, probing fundamental physics, and exploring quantum phenomenon. Historically, neutron interferometry experiments have been carried out at room…

The interaction-free measurements proposed by Elitzur and Vaidman (EV IFM) is a quantum mechanical method to find an object that interacts with other systems solely via its explosion without exploding it. In this method, an object can be…

Quantum Physics · Physics 2008-01-21 L. Vaidman

Perfect single-crystal neutron interferometers are adversely sensitive to environmental disturbances, particularly mechanical vibrations. The sensitivity to vibrations results from the slow velocity of thermal neutrons and the long…

Quantum Physics · Physics 2016-02-19 Dmitry A. Pushin , Muhammad Arif , David G. Cory

Interaction-free measurement (IFM) has been proposed as a means of high-resolution, low-damage imaging of radiation-sensitive samples, such as biomolecules and proteins. The basic setup for IFM is a Mach-Zehnder interferometer, and recent…

Instrumentation and Detectors · Physics 2019-06-12 Akshay Agarwal , Karl K. Berggren , Vivek Goyal

In this paper we show that interaction-free measurements, which have been object of much discussion in the last few decades, can be explained in a natural and intuitive way in the framework of complex nonlinear quantum physics, contrary to…

Quantum Physics · Physics 2017-02-10 António Cardoso , João L. Cordovil , José R. Croca
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