Physicists Sergei Filippov (MIPT and Russian Quantum Center at Skolkovo) and Mario Ziman (Masaryk University in Brno, Czech Republic, and the Institute of Physics in Bratislava, Slovakia) have found a way to preserve quantum entanglement of particles passing through an amplifier and, conversely, when transmitting a signal over long distances.
Details are provided in an article published in the journal Physical Review A(see preprint).
Quantum entangled particles are considered to be the basis of several promising technologies, including quantum computers and communication channels secured against tapping. Quantum entangled particles are quantum objects that can be described in terms of a common quantum state. Two quantum entangled particles can be in different places, at any distance from each other, but they still are to be considered as a whole. This effect has no analogues in classical physics, and it has been actively studied for the past few decades.
Physicists have learned to entangle photons and have found application for them, including opticalfiber communication channels which are impossible to tap. When trying to intercept the transmission of data over such a channel, quantum entanglement of photons is inevitably destroyed and the legitimate recipient of the message immediately detects interference.
In addition to this, quantum entanglement allows for carrying out quantum teleportation, wherein a quantum object, for example, an atom, in a certain state in one laboratory transmits its quantum state to another object in another laboratory. It is quantum entangled particles that play the key role in this process, and it is not necessarily about the quantum entanglement of the atoms between which the transmission of the state takes place. The latter atom becomes absolutely identical to the former one, which in its turn transfers into a different state during the teleportation. If all atoms of an object were transferred like this, the second laboratory would have its exact copy.
Read more . . .
The Latest on: Quantum entangled particles
[google_news title=”” keyword=”Quantum entangled particles” num_posts=”10″ blurb_length=”0″ show_thumb=”left”]
via Google News
The Latest on: Quantum entangled particles
- Chinese and Finnish team finds way to tune out the noise in quantum transferson May 8, 2024 at 10:01 pm
The researchers reduced external interference to improve the quality of a process known as quantum teleportation Experiment opens 'intriguing pathways' for future research, with possible implications ...
- Even Quantum Entanglement Has Its Own Entropy, It Turns Outon May 7, 2024 at 1:59 am
Alfredo (he/him) has a PhD in Astrophysics on galaxy evolution and a Master's in Quantum Fields and Fundamental Forces.
- Quantum Entanglement May Share a Profound Link With Steam Engineson May 6, 2024 at 8:10 pm
Quantum entanglement, the tendency for the quantum fuzziness of different objects to mathematically merge, is a fundamental part of quantum computing along with superposition. When particles, atoms, ...
- A science-based afterlife: Can quantum entanglement save my failing body? - opinionon May 4, 2024 at 3:13 am
Will quantum biology finally provide a fact-based explanation reconciling the supernatural with the physical world?
- Quantum Computers Newson April 30, 2024 at 5:00 pm
May 1, 2024 — Scientists have shown, through probabilistic calculations, that there is indeed, as had been hypothesized, a rule of 'entropy' for the phenomenon of quantum entanglement.
- Quantum computing explained and what’s different about PsiQuantumon April 30, 2024 at 1:03 am
The Australian-invented machine uses light particles, which could be a fast way to build a quantum computer but might use too much power.
- Quantum mechanics: Definitions, axioms, and key concepts of quantum physicson April 29, 2024 at 2:49 pm
Furthermore, quantum entanglement allows multiple qubits to share information and interact simultaneously, regardless of the distance between particles. While quantum superposition and ...
- Quantum computing breakthrough could happen with just hundreds, not millions, of qubits using new error-correction systemon April 29, 2024 at 4:00 am
Scientists have designed a physical qubit that behaves as an error-correcting "logical qubit," and now they think they can scale it up to make a useful quantum computer using a few hundred.
- Quantum Entanglement: Exploring the Language of the Universeon April 28, 2024 at 1:22 am
In the vast expanse of the cosmos, where distances stretch across billions of light-years and time flows endlessly, communication takes on a profound significance.
- Scientists tune the entanglement structure in an array of qubitson April 23, 2024 at 5:00 pm
A new technique can generate batches of certain entangled states in a quantum processor. This advance could help scientists study the fundamental quantum property of entanglement and enable them to ...
via Bing News