Physics and information : what is the role of information in physics?
      
      
        
      
      
      
      
      
      
      
      
      
      
      
      
        123 p
        
        
      
      
      
      
      
      
      
      Thèse de doctorat: Università della Svizzera italiana, 2019
      
      
      
      
      
      
      
       
      
      
      
        
        English
        
        
        
          More than a century ago, physicists around the world were collectively developing a theory to describe the newly  discovered strange behaviours of some physical systems. This marks the birth of quantum theory. Few decades later,  the groundbreaking idea to separate information from its physical carrier led to the establishment of information  theory. These, initially independent theories, merged together in the last decades of the former century, leaving us  with quantum information theory. This thesis will explore topics at the intersection of mathematics, physics and  computer science, trying to elucidate the interwovenness of these three disciplines. While doing so, the results that  were established during the years of studies leading up to this work are introduced. The question posed in the title will  not be answered fully, as it may be too early still to give a definite answer to this multifaceted question.
        
        
       
      
      
      
        
        
        
        
        
        
        
        
        
        
        
        
        
        
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                  Computer science and technology
                
              
            
          
        
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          Persistent URL
        
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          https://n2t.net/ark:/12658/srd1318991