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Entanglement distribution protocols under imperfect fidelity and quantum memory conditions

Announce Type: cross Abstract: The rapid development of quantum computers and sensors urges for the development of a quantum Internet capable of transmitting quantum bits over long distances. Photons used for quantum data transfer are fragile over time and sensitive to their environment, so that they cannot be directly used over long distances. To remedy this problem, long distance paths are segmented into shorter links and entangled pairs of photons are distributed over these links and...

arXiv CS 10d ago

Enabling quantum communication in ultra-large-scale networks

Announce Type: new Abstract: The recent development of small-scale quantum networks poses the question of whether such a technology could also operate at scale in the futuristic Quantum Internet. The question can be answered with a classical approach where an arbitrary quantum network is represented as a classical graph, and communication reliability is assessed using methods proper of network theory. Unfortunately, sufficient conditions for viable network-wide communication have been...

arXiv Physics 2d ago

Belief-Space Quantum-Inspired Reinforcement Learning for Partially Observable Autonomous Cyber Defense in the Internet of Vehicles

arXiv:2606.07796v1 Announce Type: new Abstract: The Internet of Vehicles (IoV) faces a dynamic, adversarial security environment where attackers adapt to defenses. Existing intrusion detection systems rely on static classifiers that fail to capture sequential decision-making, attacker adaptation, and uncertainty. We formulate IoV security as a sequential attacker-defender interaction and model defense as a reinforcement learning problem under partial observability.

arXiv CS 1d ago

Quantum-Inspired Reinforcement Learning for Low-Latency Intrusion Detection in V2X and Internet-of-Vehicles Networks

Announce Type: new Abstract: Smart cities increasingly depend on dense edge, IoT, and vehicular networks to deliver critical urban services, including traffic control, connected mobility, infrastructure monitoring, and energy management. In this ecosystem, the Internet of Vehicles (IoV) is central to intelligent transportation, enabling continuous communication among vehicles, roadside infrastructure, and cloud-edge platforms. This connectivity, however, also enlarges the attack surface and...

arXiv CS 1d ago

A Post-Quantum Future for Let's Encrypt

Let’s Encrypt is committed to a post-quantum-safe Web PKI. The path we’re planning to take is Merkle Tree Certificates (“MTCs”), a new approach that adds post-quantum authentication to the web without sacrificing the speed and reliability that have made TLS universal. This post is about these plans and why we believe MTCs are worth pursuing as a key to a post-quantum future.

Hacker News 7d ago

Atom-based quantum computers are catching up in the race to usefulness

The race to build the first truly useful quantum computer just got more exciting. A quantum computer made from extremely cold atoms has now passed some of the most important milestones towards usefulness, joining a small group of equally able and promising machines. Though there is wide agreement that sufficiently powerful quantum computers would transform our ability to discover new materials and drugs, and break the encryption that underpins the internet, there are many competing ideas...

New Scientist 7d ago

Nanomagnets control diamond qubits, pointing to more scalable quantum hardware

Nanomagnets control diamond qubits, pointing to more scalable quantum hardware Gaby Clark Scientific Editor Robert Egan Associate Editor Quantum computing, once only a theoretical possibility, promises to deliver faster, more energy-efficient computers—but only if scientists can build and scale the hardware needed to run the machines. New research from Virginia Commonwealth University brings scientists one small step closer to quantum computing at a practical scale, which could help...

Phys.org 7d ago

How AI drones could protect Europe's underwater networks

From Fincantieri’s DEEP system to AI and drones: this is how ports and undersea cables are being protected. The sea is no longer just a transport route or an economic resource, but the centre of a silent yet crucial strategic contest. Today, the underwater domain has become a key arena of hybrid warfare, where national security is increasingly linked to the protection of vital but largely unseen infrastructure.

Euronews 8d ago

How Artemis II livestreamed hi-def videos and images from the moon to Earth

How Artemis II livestreamed hi-def videos and images from the moon to Earth Gaby Clark Scientific Editor Robert Egan Associate Editor This April, humanity had front-row seats to space as the Artemis II Orion spacecraft transmitted crystal-clear footage of its historic journey around the moon from more than 250,000 miles (about 402,000 kilometers) back to Earth at speeds on par with home internet connections. The livestreaming of high-definition video and high-resolution photos of the moon...

Phys.org 2d ago

Digital 2.0: Access to mobiles up, but not empowerment

India’s digital revolution has succeeded in putting mobile phones in nearly every household, but it has fallen short of delivering meaningful digital inclusion. A report has found that while 95.1% of households own a mobile device and 74.8% have access to a smartphone or internet-enabled phone, only 39.7% of individuals aged 15 and above use the internet, 16.1% of connected households use it for online education and just 11.4% access govt services online. ‘The Evolving Landscape of Digital...

Times of India 2d ago