Mesoscopic physics
Mesoscopic physics is a sub-discipline of condensed matter physics which deals with materials of an intermediate length scale. The scale of such materials can be described as being between the size o...
Mesoscopic physics - Wikipedia
A living thing in two places at once? This quantum quandary test is limited
A recent proposed microbe experiment based on Schrödinger’s counter-intuitive theory would have a scale so small as to be almost meaningless, and other challenges such as consciousness also come into ...
Single particle creates interference after double slit
Oil droplet exhibits properties reminiscent of an elementary particle
Quantum Knots Are Real
The very first experimental observations of knots in quantum matter have just been reported in Nature Physics. The scientists at Aalto University (Finland) and Amherst College (USA) created knotted so...
Big 'Schrödinger's Cats' Created
For the first time, scientists have demonstrated superposition over a macroscopic scale of about a half-meter. This finding reveals that superposition is possible at the distances and timescales of ev...
Physicists propose 'Schrödinger's virus' experiment
Suspending a cat between life and death is one of the best-known thought experiments in quantum mechanics. Now researchers from Germany and Spain are proposing a real experiment to probe whether a vir...
Biomanufacturing Of CDS Quantum Dots
A team of Lehigh Univ. engineers have demonstrated a bacterial method for the low-cost, environmentally friendly synthesis of aqueous soluble quantum dot (QD) nanocrystals at room temperature. This is...
Reality Doesn’t Exist Until We Measure It, Quantum Experiment Confirms
Australian scientists have recreated a famous experiment and confirmed quantum physics's bizarre predictions about the nature of reality, by proving that reality doesn't actually exist until we measur...
Quantum Dot TVs Are Unveiled At China Tech Expo
At this month's China Information Technology Expo (CITE) event, a headline-maker was the launch of quantum dot televisions, by QD Vision and Konka, the consumer electronics company. QD Vision's callin...
Artificial Photosynthesis: Solar-Powered Green Chemistry Rehabilitates CO2
A breakthrough in artificial photosynthesis has been achieved with the development of a hybrid system of semiconducting nanowires and bacteria that can capture carbon dioxide emissions before they ar...
Why quantum dots are taking over your TV
Yearn for the warm yellow light of an old energy-hungry Edison incandescent light bulb? Find the white-blue glare of a modern LED bulb too harsh? Quantum dots are about to change all of that. These el...
Physicists Measure Elusive 'Persistent Current' That Flows Forever
Physicists at Yale University have made the first definitive measurements of "persistent current," a small but perpetual electric current that flows naturally through tiny rings of metal wire even wit...
Cold Atom Laboratory Chills Atoms to New Lows - NASA Jet Propulsion Laboratory
NASA's Cold Atom Laboratory (CAL) mission has succeeded in producing a state of matter known as a Bose-Einstein condensate, a key breakthrough for the instrument leading up to its debut on the Interna...
MIT’s nano paper to clean up oil spills
The mesh of nanowires behind MIT’s new material for absorbing oil and other organic pollutants, here shown at increasing magnifications (left to right). Image courtesy / Francesco Stellacci, MIT, and ...
Physicists Smash Record For Wave-Particle Duality
Researchers have observed quantum superposition in molecules containing around 800 atoms
Bose-Einstein Condensate Study Puts Universe's Coldest Blobs In Strange New Light
Physicists have come up with a new way to gaze longingly at some of the weirdest matter on Earth — the super-cold, super-calm gas called a Bose-Einstein condensate. While scientists have been able to...
Mini Mover and Shaker: Single-Molecule "Engine" Vibrates Macro Object - Scientific American
The random motion of a hydrogen molecule can drive the oscillation of a much larger structure
Double-slit experiment
The double-slit experiment is a demonstration that light and matter can display characteristics of both classically defined waves and particles; moreover, it displays the fundamentally probabilistic n...
Double-slit experiment - Wikipedia
Ballistic conduction
Ballistic conduction or Ballistic transport is the transport of electrons in a medium having negligible electrical resistivity caused by scattering. Without scattering, electrons simply obey Newton's ...
Ballistic conduction - Wikipedia
Josephson effect
The Josephson effect is the phenomenon of supercurrent—i.e. a current that flows indefinitely long without any voltage applied—across a device known as a Josephson junction (JJ), which consists of two...
Josephson effect - Wikipedia
Bose-Einstein condensate
Schematic Bose-Einstein Condensation versus temperature and the energy diagramA Bose–Einstein condensate (BEC) is a state of matter of a dilute gas of bosons cooled to temperatures very close to abs...
Bose-Einstein condensate - Wikipedia
Persistent current
Persistent current is a perpetual electrical current, not requiring an external power source.
In superconductors, charge can flow without any resistance. It is possible to make pieces of supercond...
Persistent current - Wikipedia
Quasiparticle
In physics, quasiparticles and collective excitations (which are closely related) are emergent phenomena that occur when a microscopically complicated system such as a solid behaves as if it contained...
2DEG
A two-dimensional electron gas (2DEG) is a gas of electrons free to move in two dimensions, but tightly confined in the third. This tight confinement leads to quantized energy levels for motion in th...
2DEG - Wikipedia
Quantum point contact
A quantum point contact (QPC) is a narrow constriction between two wide electrically conducting regions, of a width comparable to the electronic wavelength (nano- to micrometer). Quantum point contact...
Nanowire
A nanowire is a nanostructure, with the diameter of the order of a nanometer (10 meters). It can also be defined as the ratio of the length to width being greater than 1000. Alternatively, nanowires c...
Nanowire - Wikipedia
Quantum wire
In condensed matter physics, a quantum wire is an electrically conducting wire in which quantum effects influence the transport properties.
If the diameter of a wire is sufficiently small, electro...
Quantum dot
A quantum dot (QD) is a nanocrystal made of semiconductor materials that is small enough to exhibit quantum mechanical properties. Specifically, its excitons are confined in all three spatial dimensi...
Quantum dot - Wikipedia
Quantum chaos
Quantum chaos is a branch of physics which studies how chaotic classical dynamical systems can be described in terms of quantum theory. The primary question that quantum chaos seeks to answer is: "Wha...
Quantum chaos - Wikipedia
Macroscopic quantum phenomena
Quantum mechanics is most often used to describe matter on the scale of molecules, atoms, or elementary particles. However, some phenomena, particularly at low temperatures, show quantum behavior on a...
Quantum vortex
In physics, a quantum vortex is a topological defect exhibited in superfluids and superconductors. The existence of quantum vortices was predicted by Lars Onsager in 1947 in connection with superf...