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Author: Tauba Auerbach Publisher: ISBN: Category : Languages : en Pages :
Book Description
"This book is the second in a series of works subjectively documenting a physics experiment. Inductions I and III are video works, and the source of the book's imagery. Pilot Wave Theory — advanced by Louis DeBroglie and later, David Bohm — presents an alternative to the standard Copenhagen Interpretation of quantum physics. It rests on the notion of a "hidden variable" guiding a particle's movement through the field of varying probability described in its wave function. In the experiment, millimeter sized droplets of silicone bounce on their own waves in a speaker emitting a tone through bath of silicone, Though Pilot Wave Theory is almost certainly incorrect, the experiment — first described by Jearl Walker in a 1978 — shows the droplet behaving just as Bohm and De Broglie predicted a particle would — pushed along in a specific, bizarre trajectory by its own wave. As the droplet bounces, its lateral movement appears to be somehow both random and purposeful, making sharp turns and reversing directions in no discernable pattern. In 2005, Yves Coulder and his team observed that if one recorded the droplet over time, it occupied certain positions on the surface more frequently than others. The uneven probability of its location corresponds to the Schroedinger wave function — the fundamental equation for describing quantum mechanical behavior. With the help of a good lens, this macroscopic setup gives us the rare opportunity to observe some of the uncanny behaviors usually confined to the subatomic scale of the quantum realm. The footage was captured in my studio with Rafe Scobey-Thal behind the camera." -- Artist's statement.
Author: Tauba Auerbach Publisher: ISBN: Category : Languages : en Pages :
Book Description
"This book is the second in a series of works subjectively documenting a physics experiment. Inductions I and III are video works, and the source of the book's imagery. Pilot Wave Theory — advanced by Louis DeBroglie and later, David Bohm — presents an alternative to the standard Copenhagen Interpretation of quantum physics. It rests on the notion of a "hidden variable" guiding a particle's movement through the field of varying probability described in its wave function. In the experiment, millimeter sized droplets of silicone bounce on their own waves in a speaker emitting a tone through bath of silicone, Though Pilot Wave Theory is almost certainly incorrect, the experiment — first described by Jearl Walker in a 1978 — shows the droplet behaving just as Bohm and De Broglie predicted a particle would — pushed along in a specific, bizarre trajectory by its own wave. As the droplet bounces, its lateral movement appears to be somehow both random and purposeful, making sharp turns and reversing directions in no discernable pattern. In 2005, Yves Coulder and his team observed that if one recorded the droplet over time, it occupied certain positions on the surface more frequently than others. The uneven probability of its location corresponds to the Schroedinger wave function — the fundamental equation for describing quantum mechanical behavior. With the help of a good lens, this macroscopic setup gives us the rare opportunity to observe some of the uncanny behaviors usually confined to the subatomic scale of the quantum realm. The footage was captured in my studio with Rafe Scobey-Thal behind the camera." -- Artist's statement.
Author: Valia Allori Publisher: Springer Nature ISBN: 3030467775 Category : Science Languages : en Pages : 430
Book Description
This book is a tribute to the scientific legacy of GianCarlo Ghirardi, who was one of the most influential scientists in the field of modern foundations of quantum theory. In this appraisal, contributions from friends, collaborators and colleagues reflect the influence of his world of thoughts on theory, experiments and philosophy, while also offering prospects for future research in the foundations of quantum physics. The themes of the contributions revolve around the physical reality of the wave function and its notorious collapse, randomness, relativity and experiments.
Author: Air Force Publisher: Lulu.com ISBN: 0981652603 Category : Languages : en Pages : 653
Book Description
The XB-70 Valkyrie was an aircraft ahead of its time that challenged the known concepts of the flight envelope. Originally printed by NASA and the Air Force, this handbook taught pilots everything they needed to know before entering the cockpit.
Author: Thomas P. Pearsall Publisher: Springer ISBN: 3319551442 Category : Science Languages : en Pages : 301
Book Description
This textbook employs a pedagogical approach that facilitates access to the fundamentals of Quantum Photonics. It contains an introductory description of the quantum properties of photons through the second quantization of the electromagnetic field, introducing stimulated and spontaneous emission of photons at the quantum level. Schrödinger’s equation is used to describe the behavior of electrons in a one-dimensional potential. Tunneling through a barrier is used to introduce the concept of nonlocality of an electron at the quantum level, which is closely-related to quantum confinement tunneling, resonant tunneling, and the origin of energy bands in both periodic (crystalline) and aperiodic (non-crystalline) materials. Introducing the concepts of reciprocal space, Brillouin zones, and Bloch’s theorem, the determination of electronic band structure using the pseudopotential method is presented, allowing direct computation of the band structures of most group IV, group III-V, and group II-VI semiconductors. The text is supported by numerous numerical calculations that can be repeated by the student. The book includes an extensive treatment of the time duration of tunneling. The non-local nature of quantum mechanical states is further developed by the proof of Bell’s theorem and an in-depth discussion of its implications for experimental phenomena like quantum tunneling and quantum entanglement. The entangled quantum photon pair is the workhorse for exploring the fundamental non-locality of quantum mechanics, as well as important applications such as quantum cryptography. Further, the book presents the generation of entangled photon pairs by spontaneous parametric downconversion in detail using operators of the quantized photonic field. The physics of laser action is presented using the quantum photonic basis of spontaneous and stimulated emission, highlighting the limits of Maxwell’s equations in describing quantum behavior. Further, the book shows how the quantum confinement of electrons leads to reduced threshold current on the macroscopic level. Quantum cascade and interband cascade laser structures are analyzed using methods developed in earlier chapters to show how band structure engineering can be applied to access photon emission energies that cannot be achieved using conventional materials.
Author: Frede Blaabjerg Publisher: CRC Press ISBN: 1315350343 Category : Technology & Engineering Languages : en Pages : 537
Book Description
Due to the increasing world population, energy consumption is steadily climbing, and there is a demand to provide solutions for sustainable and renewable energy production, such as wind turbines and photovoltaics. Power electronics are being used to interface renewable sources in order to maximize the energy yield, as well as smoothly integrate them within the grid. In many cases, power electronics are able to ensure a large amount of energy saving in pumps, compressors, and ventilation systems. This book explains the operations behind different renewable generation technologies in order to better prepare the reader for practical applications. Multiple chapters are included on the state-of-the-art and possible technology developments within the next 15 years. The book provides a comprehensive overview of the current renewable energy technology in terms of system configuration, power circuit usage, and control. It contains two design examples for small wind turbine system and PV power system, respectively, which are useful for real-life installation, as well as many computer simulation models.
Author: Mark G. Alexander Publisher: CRC Press ISBN: 1439828407 Category : Technology & Engineering Languages : en Pages : 478
Book Description
The Second International Conference on Concrete Repair, Rehabilitation and Retrofitting (ICCRRR 2005) was held in Cape Town, South Africa, from 24-26 November 2008. The Conference followed the very successful First International Conference, also in Cape Town in 2005, and continued as a collaborative venture by researchers from the South African Res
Author: Steven French Publisher: Oxford University Press ISBN: 0192546562 Category : Philosophy Languages : en Pages : 352
Book Description
Quantum theory is widely regarded as one of the most successful theories in the history of science. It explains a hugely diverse array of phenomena and is a natural candidate for our best representation of the world at the level of 'fundamental' physics. But how can the world be the way quantum theory says it is? It is famously unclear what the world is like according to quantum physics, which presents a serious problem for the scientific realist who is committed to regarding our best theories as more or less true. The present volume canvasses a variety of responses to this problem, from restricting or revising realism in different ways to exploring entirely new directions in the lively debate surrounding realist interpretations of quantum physics. Some urge us to focus on new formulations of the theory itself, while others examine the status of scientific realism in the further context of quantum field theory. Each chapter is written by a renowned specialist in the field and is aimed at graduate students and researchers in both physics and the philosophy of science. Together they offer a range of illuminating new perspectives on this fundamental debate and exemplify the fruitful interaction between physics and philosophy.
Author: Tauba Auerbach
Author: Tauba Auerbach
Author: P. Weingartner
Author: Valia Allori
Author: Phil Croucher
Author: Air Force
Author: Thomas P. Pearsall
Author: Guido Bacciagaluppi
Author: Frede Blaabjerg
Author: Mark G. Alexander
Author: Steven French