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The Breathtaking Sequel to Warp Speed¾Science Fiction Written by a Real Scientist Who is Also a Gifted Writer. Steven Montana, computer whiz and hacker extraordinaire, was attending college in Ohio when his world fell apart. A swarm of huge meteors fell all over the world, on Europe, on the United States, and in particular on Steven's home town in California. In an instant, his family and all his friends were gone. Suffering fits of deep depression, he dropped out of college and ended up working as a repairman in a video games store, where he did a brilliant job of repairing a 30-year-old video game. That caught the attention of the game's owner, who happened to be in a position to get Steven a government job, cracking computer codes, and reverse engineering unusual hardware. When he was given a tiny piece of hardware to examine as a "test," he worked out its functions so well that he and his boss were called to Washington for a Top Secret meeting. They asked him countless questions, yet declined to answer his; but he would soon learn all the answers. The "meteor" onslaught that had orphaned him had actually been a brief and still secret war between the U.S and its enemies (as told in Warp Speed) using a new warp drive technology that was more secret than top secret. Another secret was that U.S. had been sending faster-than-light ships to other star systems. Most secret of all was that unfriendly aliens were observing the Earth, and while U.S. spaceships were not quite in a war with the unknown aliens, they were shooting at the intruders. Whether any of these answers would do Steven any good was an open question because he learned them only after he was abducted by those very same aliens and was held prisoner on one of their ships orbiting Saturn. At first, he was one of three human prisoners, but he had just seen the aliens completely dissect one of the three, and it looked like either Steven, or the Russian girl who was his fellow prisoner, were scheduled to be the next alien lab experiment. . . . At the publisher's request, this title is sold without DRM (Digital Rights Management). Praise for Warp Speed, the prequel: "Reads like Doc Smith writing Robert Ludlum; beautiful, vivacious female astronauts, sterling-hearted redneck scientists and evil mercenaries bent upon galaxy-wide conquest. You won't want to put it down. FLUBELLS AWAY!" ¾John Ringo "You thought they didn't write 'em like this anymore Doc Travis does!" ¾Jim Baen
Named a Best Book of 2021 by the Financial Times and a Best Science Book of 2021 by The Guardian “Rovelli is a genius and an amazing communicator… This is the place where science comes to life.” ―Neil Gaiman “One of the warmest, most elegant and most lucid interpreters to the laity of the dazzling enigmas of his discipline...[a] momentous book” ―John Banville, The Wall Street Journal A startling new look at quantum theory, from the New York Times bestselling author of Seven Brief Lessons on Physics, The Order of Time, and Anaximander. One of the world's most renowned theoretical physicists, Carlo Rovelli has entranced millions of readers with his singular perspective on the cosmos. In Helgoland, he examines the enduring enigma of quantum theory. The quantum world Rovelli describes is as beautiful as it is unnerving. Helgoland is a treeless island in the North Sea where the twenty-three-year-old Werner Heisenberg made the crucial breakthrough for the creation of quantum mechanics, setting off a century of scientific revolution. Full of alarming ideas (ghost waves, distant objects that seem to be magically connected, cats that appear both dead and alive), quantum physics has led to countless discoveries and technological advancements. Today our understanding of the world is based on this theory, yet it is still profoundly mysterious. As scientists and philosophers continue to fiercely debate the meaning of the theory, Rovelli argues that its most unsettling contradictions can be explained by seeing the world as fundamentally made of relationships rather than substances. We and everything around us exist only in our interactions with one another. This bold idea suggests new directions for thinking about the structure of reality and even the nature of consciousness. Rovelli makes learning about quantum mechanics an almost psychedelic experience. Shifting our perspective once again, he takes us on a riveting journey through the universe so we can better comprehend our place in it.
This book provides a coherent introduction to Gutzwiller’s trace formula accessible to well-prepared science, mathematics, and engineering students who have taken introductory courses in linear algebra, classical, and quantum mechanics. In addition to providing an enrichment of the undergraduate curriculum, this book may serve as the primary text for graduate courses on semiclassical methods. Since periodic-orbit expansions may be used to solve all types of wave systems that typically occur in mathematics, phyics, and engineering, this book is attractice for professional scientists and engineers as well. Following a thorough review of elementary concepts in classical and quantum mechanics the reader is introduced to the idea of classical periodic orbits, the foundation of Gutzwiller’s approach to quantum spectra. The trace formula itself is derived following an introduction to Feynman’s path integrals. Numerous applications, including the exact solutions of “unsolvable” one-dimensional quantum problems, illustrate the power of Gutzwiller’s method. Worked examples throughout the text illustrate the material and provide immediate “hands-on” demonstrations of tools and concepts just learned. Problems at the end of each section invite the reader to consolidate the acquired knowledge.
Today, quantum information theory is among the most exciting scientific frontiers, attracting billions of dollars in funding and thousands of talented researchers. But as MIT physicist and historian David Kaiser reveals, this cutting-edge field has a surprisingly psychedelic past. How the Hippies Saved Physics introduces us to a band of freewheeling physicists who defied the imperative to "shut up and calculate" and helped to rejuvenate modern physics. For physicists, the 1970s were a time of stagnation. Jobs became scarce, and conformity was encouraged, sometimes stifling exploration of the mysteries of the physical world. Dissatisfied, underemployed, and eternally curious, an eccentric group of physicists in Berkeley, California, banded together to throw off the constraints of the physics mainstream and explore the wilder side of science. Dubbing themselves the "Fundamental Fysiks Group," they pursued an audacious, speculative approach to physics. They studied quantum entanglement and Bell's Theorem through the lens of Eastern mysticism and psychic mind-reading, discussing the latest research while lounging in hot tubs. Some even dabbled with LSD to enhance their creativity. Unlikely as it may seem, these iconoclasts spun modern physics in a new direction, forcing mainstream physicists to pay attention to the strange but exciting underpinnings of quantum theory. A lively, entertaining story that illuminates the relationship between creativity and scientific progress, How the Hippies Saved Physics takes us to a time when only the unlikeliest heroes could break the science world out of its rut.
Quantum information theory is a branch of science at the frontier of physics, mathematics, and information science, and offers a variety of solutions that are impossible using classical theory. This book provides a detailed introduction to the key concepts used in processing quantum information and reveals that quantum mechanics is a generalisation of classical probability theory. The second edition contains new sections and entirely new chapters: the hot topic of multipartite entanglement; in-depth discussion of the discrete structures in finite dimensional Hilbert space, including unitary operator bases, mutually unbiased bases, symmetric informationally complete generalized measurements, discrete Wigner function, and unitary designs; the Gleason and Kochen–Specker theorems; the proof of the Lieb conjecture; the measure concentration phenomenon; and the Hastings' non-additivity theorem. This richly-illustrated book will be useful to a broad audience of graduates and researchers interested in quantum information theory. Exercises follow each chapter, with hints and answers supplied.
How would you like to experience your life? It’s an intriguing question, and yet we’ve been conditioned to believe our life visions and goals are often unattainable—until now. With The Possibility Principle, psychotherapist Mel Schwartz offers a revolutionary approach to living the life we choose. Though science has vastly expanded our knowledge, it has also led us to adopt a worldview where we see ourselves as insignificant specks living in a mechanical universe. Now, insights from quantum physics reveal that our universe is, in fact, a vibrantly intelligent reality and that each of us plays a vital role in shaping it. In this groundbreaking book, Schwartz shows us how to integrate this new quantum worldview into our everyday lives, allowing us to transcend our limitations and open to infinite possibilities. The Possibility Principle reveals how we can apply the three core tenets of quantum physics—inseparability, uncertainty, and potentiality—to live the life we choose, free from the wounds of our past and the constraints of our old beliefs. You can learn to: Develop a mastery of your thinking as you free yourself from the replication of old thought patterns • Utilize the concept of wave collapse to realize that you are not imprisoned by your genes, brain chemistry, or past traumas • Overcome anxiety and depression through a shift of mind • Thrive in resilient relationships and develop powerful communication skills that foster empowerment and intimate connection • Embrace uncertainty to ride the waves of personal change
This book approaches condensed matter physics from the perspective of quantum information science, focusing on systems with strong interaction and unconventional order for which the usual condensed matter methods like the Landau paradigm or the free fermion framework break down. Concepts and tools in quantum information science such as entanglement, quantum circuits, and the tensor network representation prove to be highly useful in studying such systems. The goal of this book is to introduce these techniques and show how they lead to a new systematic way of characterizing and classifying quantum phases in condensed matter systems. The first part of the book introduces some basic concepts in quantum information theory which are then used to study the central topic explained in Part II: local Hamiltonians and their ground states. Part III focuses on one of the major new phenomena in strongly interacting systems, the topological order, and shows how it can essentially be defined and characterized in terms of entanglement. Part IV shows that the key entanglement structure of topological states can be captured using the tensor network representation, which provides a powerful tool in the classification of quantum phases. Finally, Part V discusses the exciting prospect at the intersection of quantum information and condensed matter physics – the unification of information and matter. Intended for graduate students and researchers in condensed matter physics, quantum information science and related fields, the book is self-contained and no prior knowledge of these topics is assumed.
Christopher G. Timpson provides the first full-length philosophical treatment of quantum information theory and the questions it raises for our understanding of the quantum world. He argues for an ontologically deflationary account of the nature of quantum information, which is grounded in a revisionary analysis of the concepts of information.
“A marvelously clear and engaging account of . . . the deepest mysteries of the quantum world and [converting] them into a useful technology.” —Gregory Chaitin, author of Meta Math! The Quest for Omega What is entanglement? It’s a connection between quantum particles, the building blocks of the universe. Once two particles are entangled, a change to one of them is reflected—instantly—in the other, be they in the same lab or light-years apart. So counterintuitive is this phenomenon and its implications that Einstein himself called it “spooky” and thought that it would lead to the downfall of quantum theory. Yet scientists have since discovered that quantum entanglement, the “God Effect,” was one of Einstein’s few mistakes. What does it mean? The possibilities offered by a fuller understanding of the nature of entanglement read like something out of science fiction: communications devices that could span the stars, codes that cannot be broken, computers that dwarf today’s machines in speed and power, teleportation, and more. In The God Effect, veteran science writer Brian Clegg has written an exceptionally readable (and equation-free) account of entanglement, its history, and its application. Those interested in the marvelous possibilities coming down the quantum road will find much to marvel, illuminate, and delight. “Clegg does an excellent job of explaining this complex situation in nontechnical terms . . . implications for future technological advances are huge, and Clegg is at his finest as he embeds potential advances in a broad historical context.” —Publishers Weekly “Well organized and succinct. . . . will fascinate [students].” —School Library Journal “Delightful. . . . The author does a superb job of presenting the story of a remarkable concept . . . in a relaxed and entertaining style.” —Professor Artur Ekert, Leigh Trapnell Professor of Quantum Physics, Cambridge University
An explosive collision between a pickup truck and a Volvo erases two momentous scientific discoveries. Quantum probability results in complex emotional entanglements. Voices return from the dead. A blood-stained piano becomes an heirloom. Although a picture-perfect family, Beth Sturgess divulges an ignominious past to her loving husband--who has deadly secrets. Mistakes are fatal. With deeply flawed, relatable characters, Entanglement--Quantum and Otherwise is an intricate literary crime story that unravels the generational impact on reality after a loved one's death.