News tagged with quantum effect
Study supports role of quantum effects in photosynthesis
(PhysOrg.com) -- Until a few years ago, photosynthesis seemed to be a straightforward and well-understood process in which plants and other organisms use sunlight to convert carbon dioxide and water into sugars, ...
Jan 25, 2012 |
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Physicists Explain How Human Eyes Can Detect Quantum Effects
(PhysOrg.com) -- By greatly amplifying one photon from an entangled photon pair, physicists have theoretically shown that human eyes can be used as detectors to observe quantum effects. Usually, detecting ...
Sep 29, 2009 |
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Physicists build quantum amplifier with single artificial atom
(PhysOrg.com) -- By demonstrating how a single artificial atom can be used to amplify electromagnetic waves, physicists from Japan are opening up new possibilities for quantum amplifiers, which can be used ...
May 25, 2010 |
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Physicists investigate the role of quantum entanglement in the magnetic compasses of animals
(PhysOrg.com) -- Many animals possess some kind of magnetic sense, allowing them to navigate by using a magnetic field. The ability to detect a magnetic field, called magnetoreception, has been observed in ...
Jun 21, 2010 |
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Artificial magnetic fields for light could illuminate correlated quantum systems
(PhysOrg.com) -- In general, the field of many-body physics involves the interactions and collective behavior of large numbers of particles. Scientists have made significant progress in exploring this field, ...
Feb 03, 2010 |
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Encouraging quantum dots to emit photons
(PhysOrg.com) -- One of the fields of great interest to scientists and researchers is that of using the quantum world to enhance various aspects of our lives. Advances in quantum cryptography make headlines, and scientists ...
Aug 05, 2010 |
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SBU researchers discover significant water anomaly
(Phys.org) -- A team of researchers from the Stony Brook University Department of Physics & Astronomy along with colleagues from the Department of Condensed Matter Physics at Universidad Autónoma de Madrid ...
May 10, 2012 |
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Quantum physics first: Researchers observe single photons in two-slit interferometer experiment
Quantum mechanics is famous for saying that a tree falling in a forest when there's no one there doesn't make a sound. Quantum mechanics also says that if anyone is listening, it interferes with and changes the tree. And ...
Jun 02, 2011 |
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Researchers demonstrate new way to control nonvolatile magnetic memory devices
(Phys.org) -- Cornell researchers have demonstrated a new strategy for making energy- efficient, reliable nonvolatile magnetic memory devices -- which retain information without electric power.
May 07, 2012 |
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Quantum physicists turn waste heat into power
(PhysOrg.com) -- University of Arizona physicists have discovered a new way of harvesting waste heat and turning it into electrical power. Taking advantage of quantum effects, the technology holds great promise ...
Sep 24, 2010 |
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Quantum engineers remove roadblock in developing next-generation technologies
(PhysOrg.com) -- An international team has removed a major obstacle to engineer quantum systems that will play a key role in the computers, communication networks, and even biomedical devices of the future.
Mar 08, 2011 |
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Observing the Quantum Hall Effect in 'Real' Space
(PhysOrg.com) -- When water transforms into steam, or magnetized iron changes to demagnetized iron, Katsushi Hashimoto explains to PhysOrg.com, a phase transition is taking place: “Classical phase transitions…often share ...
Jan 12, 2009 |
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Charge it: Neutral atoms made to act like electrically charged particles
(PhysOrg.com) -- Completing the story they started by creating synthetic magnetic fields, scientists from the Joint Quantum Institute (JQI), a collaboration of the National Institute of Standards and Technology a ...
Mar 31, 2011 |
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Good vibrations: New atom-scale products on horizon
The generation of an electric field by the compression and expansion of solid materials is known as the piezoelectric effect, and it has a wide range of applications ranging from everyday items such as watches, ...
Aug 23, 2010 |
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Golden ratio discovered in a quantum world
Researchers from the Helmholtz-Zentrum Berlin für Materialien und Energie (HZB, Germany), in cooperation with colleagues from Oxford and Bristol Universities, as well as the Rutherford Appleton Laboratory, ...
Jan 07, 2010 |
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