scholarly journals Coherent control of correlated nanodevices: A hybrid time-dependent numerical renormalization-group approach to periodic switching

2012 ◽  
Vol 85 (7) ◽  
Author(s):  
Eitan Eidelstein ◽  
Avraham Schiller ◽  
Fabian Güttge ◽  
Frithjof B. Anders
Keyword(s):  
Renormalization Group ◽  
Coherent Control ◽  
Time Dependent ◽  
Group Approach ◽  
Numerical Renormalization Group ◽  
Renormalization Group Approach ◽  
Periodic Switching

scholarly journals Renormalization Group Approach to Pandemics as a Time-Dependent SIR Model

2021 ◽  
Vol 8 ◽  
Author(s):  
Michele Della Morte ◽  
Francesco Sannino
Keyword(s):  
Renormalization Group ◽  
Time Dependence ◽  
Recovery Rate ◽  
Sir Model ◽  
Time Dependent ◽  
Cumulative Number ◽  
Group Approach ◽  
Renormalization Group Approach

We generalise the epidemic Renormalization Group framework while connecting it to a SIR model with time-dependent coefficients. We then confront the model with COVID-19 in Denmark, Germany, Italy and France and show that the approach works rather well in reproducing the data. We also show that a better understanding of the time dependence of the recovery rate would require extending the model to take into account the number of deaths whenever these are over 15% of the cumulative number of infected cases.

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