(Press-News.org) Researchers have experimentally demonstrated a new quantum information storage protocol that can be used to create Greenberger-Horne-Zeilinger (GHZ) quantum states. There is a great deal of interest in these complex entangled states because of their potential use in quantum sensing and quantum error correction applications.
Chun-Ju Wu from the California Institute of Technology will present this research at the Optica Quantum 2.0 Conference and Exhibition, as a hybrid event 18-22 June in Denver, Colorado.
Quantum-based technologies store information in the form of qubits, the quantum equivalent of the binary bits used in classical computing. GHZ states take this a step further by entangling three or more qubits. This increased complexity can be used to store more information, thus boosting precision and performance in applications such as quantum sensing and networking.
Systems where qubits surround a central qubit that can be controlled provide a natural platform to prepare and utilize such states. For these experiments, the researchers used a single ytterbium ion qubit that can be controlled with lasers and on-chip electrodes surrounded by nuclear spins inside a crystal.
Specifically, the researchers utilized a highly localized ensemble of four deterministically and symmetrically positioned vanadium nuclear spins. They developed the control of these spins and demonstrated the ability to store and retrieve quantum information in the form of GHZ states.
Furthermore, they leveraged the symmetry of their central spin system to intrinsically protect the stored quantum information from correlated magnetic field noise. This is a critical demonstration of resilience, necessary for real-world applications.
Their results demonstrate the possibility of harnessing complex nuclear-spin systems to enhance the functionality of quantum nodes.
In the future, the capability of this system will be improved by using additional ensembles of vanadium nuclear spins. Developing novel pulsed control sequences and hardware with improved control will be used to achieve these goals.
About Optica Quantum 2.0 Conference and Exhibition
Pioneers in Quantum, including 2022 Nobel Laureates, to headline Optica’s Quantum 2.0 Conference
Quantum technology continues to advance rapidly in areas like computing, communications and telescopy. Thanks to investments from both the public and private sectors, developing new quantum technology presents opportunities for the optics and photonics community. Quantum 2.0 will provide a platform to discuss new advancements in the quantum space and to hear from the pioneers who have made much of this technology possible. 2022 Physics Nobel Laureates Alain Aspect, John F. Clauser and Anton Zeilinger are set to headline a Nobel symposium at Quantum 2.0. Media registration is free with credential. Digital assets are available as requested.
About Optica
Optica (formerly OSA), Advancing Optics and Photonics Worldwide, is the society dedicated to promoting the generation, application, archiving and dissemination of knowledge in the field. Founded in 1916, it is the leading organization for scientists, engineers, business professionals, students and others interested in the science of light. Optica’s renowned publications, meetings, online resources and in-person activities fuel discoveries, shape real-life applications and accelerate scientific, technical and educational achievement. Discover more at: Optica.org.
Media Contact
mediarelations@optica.org
END
Researchers use nuclear spins neighboring a lanthanide atom in a crystal to create Greenberger-Horne-Zeilinger quantum states
Work represents an important step in experimentally controlling complex quantum systems
2023-05-23
[Attachments] See images for this press release:
ELSE PRESS RELEASES FROM THIS DATE:
Recent papers in ACS Engineering Au
2023-05-23
ACS Engineering Au is a member of the ACS Au family of journals. These publications are open access, and each one focuses on a specific field relevant to chemistry. Here, we take a look at a few recent papers from ACS Engineering Au, which publishes a broad scope of research from both academic and industrial settings. The journal welcomes papers on topics such as process design, product research, energy and fuels, and measurement techniques. Reporters can request free access to these papers by emailing newsroom@acs.org.
"Heat ...
Biomarkers may help ID treatment of acute kidney injury
2023-05-23
Hospital inpatients who develop an acute kidney injury (AKI) generally fare poorly after being discharged, and have few options for effective treatment.
A UW Medicine-led study published recently in American Journal of Kidney Diseases suggests that new tests might improve this narrative.
In the study, “about 30% of the patients that came into the hospital developed AKI, which means in a matter of hours or days, their kidneys might be failing because of reaction to drugs or contracting sepsis,” said lead author Dr. Pavan Bhatraju, an assistant professor of pulmonary and critical care medicine at the University of Washington School of Medicine.
Causes ...
nTIDE May 2023 Deeper Dive: How did COVID-19 lockdown impact employment of individuals with visual disabilities?
2023-05-23
East Hanover, NJ – May 23, 2023 – New data show that while individuals with visual disabilities were slow to recover employment because of the effects of the COVID-2019 lockdown, they have made headway, depending on their level of disability, almost meeting their pre-pandemic levels. Possible reasons for their slower recovery include major safety concerns due to the shortage of personal protective equipment, less access to vaccines, and their vulnerability to severe consequences of COVID, according to experts speaking during last Friday’s nTIDE Deeper Dive Lunch & Learn Webinar.
Using data from the U.S. Bureau of Labor Statistics (BLS) for persons ages 16-64, the ...
Few adult smokers and nonsmokers think e-cigarettes have lower levels of harmful chemicals than cigarettes
2023-05-23
About half of cigarette smokers and young adult non-smokers think that nicotine-based electronic cigarettes have the same amount or even more harmful chemicals than regular tobacco-based cigarettes, according to a Rutgers study.
The study, published in Addiction, measured perceived levels of harmful chemicals in e-cigarettes compared with cigarettes using national samples of more than 1,000 adults ages 18 and older who smoke cigarettes and 1,000-plus adults ages 18 to 29 who are nonsmokers. The study also measured associations with e-cigarette/cigarette relative harm perceptions, e-cigarette use and interest. About 20 percent of all participants ...
Capturing transporter structure paves the way for drug development
2023-05-23
(Memphis, Tenn.—May 23, 2023) Scientists at St. Jude Children’s Research Hospital and the University of Texas Southwestern Medical Center studied the structure and function of a transporter involved in cancer and immunity. They captured six structures of the transporter, including when it was bound to an inhibitor, providing unprecedented insight into how it works. The findings, published in Cell, have implications for drug development.
Transporters escort substances across the cell membrane so that they can carry out their functions. Sphingosine-1-phosphate (S1P) is an important signaling molecule that regulates the immune system, blood vessel formation, auditory ...
Did dome-headed dinosaurs sport bristly headgear?
2023-05-23
If you look at enough dinosaur fossils, you'll see that their skulls sport an amazing variety of bony ornaments, ranging from the horns of Triceratops and the mohawk-like crests of hadrosaurs to the bumps and knobs covering the head of Tyrannosaurus rex.
But paleontologists are increasingly finding evidence that dinosaurs had even more elaborate head ornaments not preserved with the fossil skulls — structures made of keratin, the stuff of fingernails, that were likely used as visual signals or semaphores to others of their kind.
A newly described species of dome-headed dinosaur — a pachycephalosaur ...
Lupus Research Alliance and its clinical research affiliate Lupus Therapeutics launch the Lupus Landmark Study to accelerate personalized treatments in lupus
2023-05-23
NEW YORK, NY (May 23) – The Lupus Research Alliance and its clinical research affiliate Lupus Therapeutics today announced the launch of the Lupus Landmark Study, a groundbreaking observational research study to accelerate the development of personalized treatments for people living with lupus. The Lupus Landmark Study, the largest study of its kind in lupus, will prospectively recruit and longitudinally follow 3,500 adults diagnosed with systemic lupus erythematosus (SLE). The Lupus Landmark Study is a ...
The severity of sleep apnea may be underestimated in Black patients
2023-05-23
Session: C110, Advanced Signal Analysis: New Diagnostics and Physiologic Insights for SDB (sleep-disordered breathing)
Date and Time: 2:15 p.m. ET, Tuesday, May 23, 2023
Location: WEWCC, Room 144 A-C (Street Level)
ATS 2023, Washington, DC – Obstructive sleep apnea (OSA) tests may underestimate the severity of OSA in Black patients, according to research published at the ATS 2023 International Conference.
Recent research with ICU patients during the COVID-19 pandemic showed that pulse oximeters—clip-like devices that are attached to a fingertip to measure blood oxygen ...
Strategic city planning can help reduce urban heat island effect
2023-05-23
UNIVERSITY PARK, Pa. — The tendency of cities to trap heat — a phenomenon called the “urban heat island,” often referred to as the UHI effect — can lead to dangerous temperatures in the summer months, but new Penn State research suggests that certain urban factors can reduce this effect.
The study found that trees had a cooling effect on outdoor air temperature, mean radiant temperature and predicted mean vote index, a measurement designed to evaluate thermal comfort levels.
Additionally, the researchers determined that higher building-height-to-street-width ratios — when taller ...
The aging mouse prostate: kinetics of lymphocyte infiltration
2023-05-23
“This dataset presents the most comprehensive profiling of the aging adult mouse prostate immune profile to date.”
BUFFALO, NY- May 23, 2023 – A new research paper was published in Aging (listed by MEDLINE/PubMed as "Aging (Albany NY)" and "Aging-US" by Web of Science) Volume 15, Issue 9, entitled, “Highly multiplexed immune profiling throughout adulthood reveals kinetics of lymphocyte infiltration in the aging mouse prostate.”
Aging is a significant risk factor for disease in several tissues, including the prostate. Defining the kinetics ...
LAST 30 PRESS RELEASES:
ASH 2025: Antibody therapy eradicates traces of multiple myeloma in preliminary trial
ASH 2025: AI uncovers how DNA architecture failures trigger blood cancer
ASH 2025: New study shows that patients can safely receive stem cell transplants from mismatched, unrelated donors
Protective regimen allows successful stem cell transplant even without close genetic match between donor and recipient
Continuous and fixed-duration treatments result in similar outcomes for CLL
Measurable residual disease shows strong potential as an early indicator of survival in patients with acute myeloid leukemia
Chemotherapy and radiation are comparable as pre-transplant conditioning for patients with b-acute lymphoblastic leukemia who have no measurable residual disease
Roughly one-third of families with children being treated for leukemia struggle to pay living expenses
Quality improvement project results in increased screening and treatment for iron deficiency in pregnancy
IV iron improves survival, increases hemoglobin in hospitalized patients with iron-deficiency anemia and an acute infection
Black patients with acute myeloid leukemia are younger at diagnosis and experience poorer survival outcomes than White patients
Emergency departments fall short on delivering timely treatment for sickle cell pain
Study shows no clear evidence of harm from hydroxyurea use during pregnancy
Long-term outlook is positive for most after hematopoietic cell transplant for sickle cell disease
Study offers real-world data on commercial implementation of gene therapies for sickle cell disease and beta thalassemia
Early results suggest exa-cel gene therapy works well in children
NTIDE: Disability employment holds steady after data hiatus
Social lives of viruses affect antiviral resistance
Dose of psilocybin, dash of rabies point to treatment for depression
Helping health care providers navigate social, political, and legal barriers to patient care
Barrow Neurological Institute, University of Calgary study urges “major change” to migraine treatment in Emergency Departments
Using smartphones to improve disaster search and rescue
Robust new photocatalyst paves the way for cleaner hydrogen peroxide production and greener chemical manufacturing
Ultrafast material captures toxic PFAS at record speed and capacity
Plant phenolic acids supercharge old antibiotics against multidrug resistant E. coli
UNC-Chapel Hill study shows AI can dramatically speed up digitizing natural history collections
OYE Therapeutics closes $5M convertible note round, advancing toward clinical development
Membrane ‘neighborhood’ helps transporter protein regulate cell signaling
Naval aviator turned NPS doctoral student earns national recognition for applied quantum research
Astronomers watch stars explode in real time through new images
[Press-News.org] Researchers use nuclear spins neighboring a lanthanide atom in a crystal to create Greenberger-Horne-Zeilinger quantum statesWork represents an important step in experimentally controlling complex quantum systems