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Quantum Reports MDPI

Quantum Reports (ISSN 2624-960X) is an international, peer-reviewed, open access journal on quantum science published quarterly online by MDPI.

19/06/2026

🔬 Can quantum processes outperform the limits imposed by fixed causal order?

🧠 This study explores how the quantum switch—where operations occur in a superposition of orders—can enhance performance in a causal game when control-system measurements are incorporated into the protocol.

⚡ The results show that advanced quantum strategies can surpass the classical fixed-order benchmark while remaining operationally no-signaling and robust against significant noise, highlighting indefinite causal order as a valuable quantum information resource.

📄 Operational Causality Without Definite Order: Certifying Indefinite Causal Structure via a Causal Inequality and Causal Witness

✍️ Horace T. Crogman

🔗 https://brnw.ch/21x3trF

18/06/2026

📣 Exciting news!! Quantum Reports has reached an Impact Factor of 1.8 in 2025! 🎉

Deepest thanks to our editors, authors, reviewers, and readers for your unwavering support! 🏆

Your collaboration is the foundation of our success. Let's keep the momentum going! 🤝

18/06/2026

⚡ What if lasers aren’t just light sources—but working engines of quantum thermodynamics?

🔬 This study maps how quantum systems operate between thermal reservoirs and introduces a full spectrum of quantum thermal machine (QTM) operational regimes, including entirely new machine designs and a unified classification framework.

📄 Innovative Designs and Insights into Quantum Thermal Machines

✍️ Aline Duarte Lúcio et al.

🔗 https://brnw.ch/21x3rV6

📚 Special Issue: Exclusive Feature Papers of Quantum Reports in 2024–2025
🔗 https://brnw.ch/21x3rV5

17/06/2026

🔐 Are today’s encryption systems ready for a quantum future—or already on borrowed time?

🔬 This topic explores the urgent global shift from classical cryptography (RSA, ECC) toward quantum-safe security architectures. It highlights Post-Quantum Cryptography (PQC), crypto-agility, and resilient infrastructure design for IoT, finance, and cloud systems in the era of quantum computing.

📄 Future-Proofing Digital Trust: From Classical to Quantum-Safe Security

✍️ Prof. Dr. Saqib Ali & Dr. Raja Waseem Anwar

🔗 https://brnw.ch/21x3pAZ

📚 Topic Editors: Department of Information Systems, Sultan Qaboos University & German University of Technology in Oman

⏳ Abstract deadline: 28 February 2027
📄 Manuscript deadline: 30 April 2027

16/06/2026

⚛️ What if genome sequencing could run on quantum speed?

🧬 Researchers propose a quantum-accelerated sequence alignment method that reimagines how we process massive genomic datasets—using entanglement, dot-matrix representations, and IBM’s Qiskit framework to explore new computational frontiers.

📖 A Quantum-Accelerated Mapping Algorithm for Sequence Alignment

✍️ Konstantinos Prousalis et al.

🔗 Article: https://brnw.ch/21x3nvK

🚀 Early results suggest a shift in how we think about biological computation—where quantum systems may one day outperform classical alignment methods in speed and scale.

15/06/2026

⚛️ How do the architectures of quantum computers influence their performance and scalability?

🔬 This study analyzes the topology of D-Wave quantum computers, comparing the Chimera, Pegasus, and Zephyr architectures using k-hop-based graph metrics to evaluate connectivity, density, redundancy, and scalability.

📄 Analysis of D-Wave Topologies with k-Hop-Based Graph Metrics

✍️ Csaba Biró and Gábor Kusper

🔗 https://brnw.ch/21x3lHC

💡 By leveraging the inherent symmetries of D-Wave architectures, the authors provide new insights into quantum hardware design and assess the effectiveness of graph-based metrics for analyzing complex qubit networks.

🏷️

11/06/2026

💡New insight for Si/SiGe spin qubits:

🔎Semiclassical noise models fail to capture T1T1 relaxation at cryogenic temperatures—they erroneously saturate in a maximally mixed state.

✅ Quantum Trajectories (MCWF) fix this: thermodynamically consistent, accurate for both T1T1 and T2∗T2∗, and scalable to multi-qubit systems.

Also: magnetic field sweet spot identified at 0.1–0.5 T.

👉Read this new paper at Quantum Reports: https://brnw.ch/21x3g83

/SiGe

10/06/2026

We’re delighted to welcome Prof. Dr. Giovanni Crupi to our Editorial Board! 🎉
University of Messina

Prof. Crupi is working on , we look forward to collaborating with him to drive progress in this exciting field! 💡
👉Join our board member: https://brnw.ch/21x3eeW

09/06/2026

Quantum oncology is on the horizon. 🧬⚛️

A paper in 2025 in Quantum Reports MDPI explores how quantum sensing, imaging, and computing could revolutionize cancer care:

🔬 Earlier detection via quantum sensors & NV diamonds
🧠 Ultra-precise MRI & photon-counting CT
💊 Quantum-driven drug design & personalized therapy
🔐 Quantum-secure patient data & remote surgery
🤖 Hybrid quantum-classical AI for real-time diagnostics

From quantum scalpels to Rabi oscillations in drug delivery—this is a leap toward precision oncology.

Challenges remain (decoherence, cost, training), but the roadmap is clear: quantum + clinical = future.

👉 Read the full paper:
https://brnw.ch/21x3cPl

08/06/2026

🔉Read this new article in Quantum Reports MDPI :

Quantum advantage isn’t just about entanglement or superposition. It’s about how histories are organized. A new structural framework introduces:

🔹 Admissible histories
🔹 Coherent multiplicity Meff=M2κ2Meff=M2κ2
🔹 Non-factorizable constraints (entanglement’s structural twin)

Key takeaway:
Raw branching ≠ speedup. You need coherent, non-factorizable, stable history spaces.

Grover ✅ limited structure → quadratic
Shor ✅ periodic fibers → exponential

👉 A diagnostic lens, not a complexity replacement.

📄 Read more:
https://brnw.ch/21x3aBj

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