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Related Concept Videos

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Shortly after de Broglie published his ideas that the electron in a hydrogen atom could be better thought of as being a circular standing wave instead of a particle moving in quantized circular orbits, Erwin Schrödinger extended de Broglie’s work by deriving what is now known as the Schrödinger equation. When Schrödinger applied his equation to hydrogen-like atoms, he was able to reproduce Bohr’s expression for the energy and, thus, the Rydberg formula governing hydrogen spectra.
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The nature of light has been a subject of inquiry since antiquity. In the seventeenth century, Isaac Newton performed experiments with lenses and prisms and was able to demonstrate that white light consists of the individual colors of the rainbow combined together. Newton explained his optics findings in terms of a "corpuscular" view of light, in which light was composed of streams of extremely tiny particles traveling at high speeds according to Newton's laws of motion. 
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Spin systems where the difference in chemical shifts of the coupled nuclei is greater than ten times J are called first-order spin systems. These nuclei are weakly coupled, and their chemical shifts and coupling constant can generally be estimated from the well-separated signals in the spectrum.
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Gradient Echo Quantum Memory in Warm Atomic Vapor
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Pattern-based quantum text watermarking: Securing digital content with next-Gen quantum techniques.

Zheng Xing1, Xiaochen Yuan1, Chan-Tong Lam1

  • 1Faculty of Applied Sciences, Macao Polytechnic University, Macao, China.

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|December 9, 2024
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Summary
This summary is machine-generated.

This study introduces a generalized quantum text representation (GQTR) model and a multi-scale pattern-based quantum text watermarking (MPQTW) scheme to secure digital text copyrights using advanced quantum methods.

Keywords:
PhysicsQuantum physics

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Area of Science:

  • Quantum Computing
  • Information Security
  • Digital Watermarking

Background:

  • Digital text copyright protection is a growing concern.
  • Existing watermarking technologies face limitations.
  • Quantum methods offer novel solutions for enhanced security.

Purpose of the Study:

  • To propose a generalized quantum text representation (GQTR) model for English text.
  • To develop a multi-scale pattern-based quantum text watermarking (MPQTW) scheme for copyright protection.
  • To evaluate the effectiveness and performance of the proposed watermarking scheme.

Main Methods:

  • Development of a Generalized Quantum Text Representation (GQTR) model.
  • Design of a Multi-Scale Pattern-Based Quantum Text Watermarking (MPQTW) scheme.
  • Detailed design of quantum circuits for GQTR and MPQTW.
  • Evaluation using metrics for imperceptibility, robustness, and embedding rate.

Main Results:

  • The GQTR model accurately represents and retrieves characters, words, and texts.
  • The MPQTW scheme successfully embeds multi-scale images into quantum text.
  • The proposed scheme demonstrates good performance in terms of imperceptibility, robustness, and embedding rate.

Conclusions:

  • The proposed GQTR model is effective for quantum text representation.
  • The MPQTW scheme offers a viable solution for securing digital text copyrights.
  • Quantum watermarking presents a promising avenue for future digital security applications.